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PROX

PROX

PROX

Prox Pistons, Gaskets, and Engine Components at JJ Motorsports

Prox, established in the late 1970s, is a respected brand in the powersports industry, specializing in high-performance aftermarket parts for motorcycles, ATVs, and off-road vehicles. With a focus on quality and innovation, Prox offers OEM-style replacements that deliver exceptional reliability and performance for both recreational riders and professionals.

At JJ Motorsports, we provide a comprehensive selection of Prox products, including complete gasket kits, top-end gasket sets, piston kits, connecting rod kits, crankshaft bearing/seal kits, and more. Whether you're rebuilding an engine or upgrading for better durability, Prox delivers precise-fit solutions compatible with major brands like Honda, Kawasaki, Suzuki, and KTM. Explore our inventory to find the ideal parts for your vehicle.

Key features of Prox products include precision engineering to OEM specifications, use of high-silicon-content aluminum alloys for pistons, double-forged construction for strength, and complete kits for easy installation. Shop now and enhance your powersports performance with Prox!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • PROX Connecting Rod Kit - Kawasaki KX450 03.4419 PROX Connecting Rod Kit - Kawasaki KX450 03.4419

    PROX Connecting Rod Kit - Kawasaki KX450 03.4419

    PROX

    $238.95
    A connecting rod is critical to engine longevity and reliability—it transfers combustion force from the piston to the crankshaft, and any wear or damage directly impacts performance and engine life...
    09230616
    SKU:
    09230616
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    UNITS:
    KIT
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $238.95
    Qty in Cart: 0
    Quantity:
    Price:
    $238.95
    Subtotal:
  • PROX Connecting Rod Kit - KTM 350SX 03.6363 PROX Connecting Rod Kit - KTM 350SX 03.6363

    PROX Connecting Rod Kit - KTM 350SX 03.6363

    PROX

    $238.95
    A connecting rod is critical to your engine's reliability—it transfers combustion force from the piston to the crankshaft while enduring extreme RPM and load cycles. The PROX Connecting Rod Kit for...
    09230617
    SKU:
    09230617
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $238.95
    Qty in Cart: 0
    Quantity:
    Price:
    $238.95
    Subtotal:
  • PROX Connecting Rod Kit - KTM 450SX 03.6433 PROX Connecting Rod Kit - KTM 450SX 03.6433

    PROX Connecting Rod Kit - KTM 450SX 03.6433

    PROX

    $249.95
    A connecting rod failure can end your race day—or worse, your engine. The PROX Connecting Rod Kit for KTM 450SX delivers the reliability and precision you need when you're pushing peak RPMs in the...
    09230619
    SKU:
    09230619
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CONNECTING ROD KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
  • PROX Connecting Rod Kit - KTM 450SX 03.6436 PROX Connecting Rod Kit - KTM 450SX 03.6436

    PROX Connecting Rod Kit - KTM 450SX 03.6436

    PROX

    $249.95
    The connecting rod is mission-critical to engine reliability—it transfers combustion force from the piston to the crankshaft, and any weakness here will cost you races and repair bills. PROX's...
    09230620
    SKU:
    09230620
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
  • PROX Connecting Rod Kit - Honda CRF250R 03.1348

    PROX Connecting Rod Kit - Honda CRF250R 03.1348

    PROX

    $173.95
    A connecting rod failure mid-race costs you the event—and potentially your engine. The PROX Connecting Rod Kit for your CRF250R delivers OEM-spec durability with precision manufacturing that handles...
    09230561
    SKU:
    09230561
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    CONNECTING ROD KIT
    $173.95
    Qty in Cart: 0
    Quantity:
    Price:
    $173.95
    Subtotal:
  • PROX Connecting Rod Kit - KTM 85 SX/Husqvarna TC 85 03.6113

    PROX Connecting Rod Kit - KTM 85 SX/Husqvarna TC 85 03.6113

    PROX

    $110.95
    A connecting rod kit is critical for high-rpm reliability in two-stroke engines, where combustion forces demand precision-engineered components that can handle extreme load cycling. The PROX...
    09230331
    SKU:
    09230331
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED
    MATERIAL:
    STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $110.95
    Qty in Cart: 0
    Quantity:
    Price:
    $110.95
    Subtotal:
  • PROX Connecting Rod 03.6029

    PROX Connecting Rod 03.6029

    PROX

    $118.95
    A connecting rod is the critical link between your piston and crankshaft—any weakness here translates directly to lost power and reliability. The PROX 03.6029 arrives fully assembled with precision...
    09230277
    SKU:
    09230277
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $118.95
    Qty in Cart: 0
    Quantity:
    Price:
    $118.95
    Subtotal:
  • PROX Connecting Rod Kit 03.1300

    PROX Connecting Rod Kit 03.1300

    PROX

    $132.95
    A connecting rod failure can end your race day—or worse, your engine. The PROX Connecting Rod Kit 03.1300 gives you the reliability and precision clearances needed to handle sustained high RPM...
    09230278
    SKU:
    09230278
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    UNITS:
    EACH
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod Kit 03.4340

    PROX Connecting Rod Kit 03.4340

    PROX

    $165.95
    A connecting rod kit is the critical link between your crankshaft and piston—it must handle extreme loads, temperature swings, and RPM demands without flex or failure. The PROX Connecting Rod Kit 03...
    09230280
    SKU:
    09230280
    Availability:
    Ships Same Business Day
    Weight:
    1.17 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $165.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6336

    PROX Connecting Rod Kit 03.6336

    PROX

    $165.95
    A connecting rod kit is critical to engine reliability, transferring power from your pistons to the crankshaft with precision and durability. The PROX 03.6336 comes fully assembled with all necessary...
    09230281
    SKU:
    09230281
    Availability:
    Ships Same Business Day
    Weight:
    1.14 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    4-STROKE
    Qty in Cart: 0
    Quantity:
    Price:
    $165.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6340

    PROX Connecting Rod Kit 03.6340

    PROX

    $165.95
    A quality connecting rod is fundamental to engine reliability and power delivery—it's the critical link between your crankshaft and piston, transmitting combustion forces under extreme stress. The...
    09230282
    SKU:
    09230282
    Availability:
    Ships Same Business Day
    Weight:
    1.22 LBS
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    $165.95
    Qty in Cart: 0
    Quantity:
    Price:
    $165.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6519

    PROX Connecting Rod Kit 03.6519

    PROX

    $199.95
    A connecting rod is the critical link between your crankshaft and piston—it must withstand immense forces while maintaining precise tolerances. The PROX Connecting Rod Kit 03.6519 comes fully...
    09230283
    SKU:
    09230283
    Availability:
    Ships Same Business Day
    Weight:
    2.38 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    FORGED STEEL
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • PROX Connecting Rod Kit - Yamaha YFZ450 03.2436

    PROX Connecting Rod Kit - Yamaha YFZ450 03.2436

    PROX

    $183.95
    The PROX Connecting Rod Kit restores critical engine integrity on your Yamaha YFZ450, ensuring reliable power transfer from combustion to crankshaft. Whether you're rebuilding after high-RPM racing...
    09230231
    SKU:
    09230231
    Availability:
    Ships Same Business Day
    Weight:
    1.56 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    MATERIAL:
    FORGED
    MATERIAL:
    STEEL
    UNITS:
    KIT
    $183.95
    Qty in Cart: 0
    Quantity:
    Price:
    $183.95
    Subtotal:
  • PROX Connecting Rod Kit - Honda XL125S 03.1253

    PROX Connecting Rod Kit - Honda XL125S 03.1253

    PROX

    $98.95
    A worn or damaged connecting rod compromises your engine's reliability and performance, risking catastrophic failure under load. The PROX Connecting Rod Kit for Honda XL125S delivers OEM-quality...
    09230234
    SKU:
    09230234
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $98.95
    Qty in Cart: 0
    Quantity:
    Price:
    $98.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6427

    PROX Connecting Rod Kit 03.6427

    PROX

    $179.95
    A connecting rod is the critical link between your crankshaft and piston, and PROX engineered this kit to handle sustained high-RPM loads without compromise. The 03.6427 arrives as a complete...
    09230235
    SKU:
    09230235
    Availability:
    Ships Same Business Day
    Weight:
    1.71 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CONNECTING ROD KIT
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Connecting Rod Kit 03.1405

    PROX Connecting Rod Kit 03.1405

    PROX

    $183.95
    A connecting rod is the critical link between your piston and crankshaft—any flex, wear, or misalignment will rob you of power and reliability. The PROX Connecting Rod Kit 03.1405 delivers...
    09230239
    SKU:
    09230239
    Availability:
    Ships Same Business Day
    Weight:
    1.71 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    $183.95
    Qty in Cart: 0
    Quantity:
    Price:
    $183.95
    Subtotal:
  • PROX Connecting Rod Kit 03.6428

    PROX Connecting Rod Kit 03.6428

    PROX

    $188.95
    A connecting rod is the critical link between your crankshaft and piston—any wear, flex, or imbalance directly compromises engine efficiency and reliability. The PROX 03.6428 Kit delivers a complete,...
    09230246
    SKU:
    09230246
    Availability:
    Ships Same Business Day
    Weight:
    1.77 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    $188.95
    Qty in Cart: 0
    Quantity:
    Price:
    $188.95
    Subtotal:
  • PROX Connecting Rod 03.3408

    PROX Connecting Rod 03.3408

    PROX

    $175.95
    A connecting rod is the critical link between your crankshaft and piston—any weakness here compromises power delivery and engine reliability. The PROX 03.3408 is engineered for sustained high-RPM...
    09230250
    SKU:
    09230250
    Availability:
    Ships Same Business Day
    Weight:
    1.58 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • PROX Connecting Rod 03.1315

    PROX Connecting Rod 03.1315

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft—any weakness here directly impacts power delivery, reliability, and engine longevity. The PROX Connecting Rod 03.1315 is...
    09230125
    SKU:
    09230125
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.1334

    PROX Connecting Rod 03.1334

    PROX

    $173.95
    A connecting rod is the critical link between your piston and crankshaft—any weakness here compromises power transfer and engine reliability. The PROX 03.1334 arrives as a complete assembly,...
    09230127
    SKU:
    09230127
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    ENGINE TYPE:
    4-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    FEATURES:
    INCLUDES THRUST WASHERS
    UNITS:
    EACH
    $173.95
    Qty in Cart: 0
    Quantity:
    Price:
    $173.95
    Subtotal:
  • PROX Connecting Rod 03.6220

    PROX Connecting Rod 03.6220

    PROX

    $132.95
    A connecting rod is the critical link between your crankshaft and piston—responsible for transmitting combustion forces and managing the repetitive stress of high-RPM operation. The PROX Connecting...
    09230128
    SKU:
    09230128
    Availability:
    Ships Same Business Day
    Weight:
    0.79 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.4022

    PROX Connecting Rod 03.4022

    PROX

    $109.95
    A connecting rod is the critical link between your piston and crankshaft—it must handle enormous forces under extreme RPMs without compromise. The PROX 03.4022 arrives as a complete assembly with all...
    09230130
    SKU:
    09230130
    Availability:
    Ships Same Business Day
    Weight:
    0.49 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.4309

    PROX Connecting Rod 03.4309

    PROX

    $132.95
    A connecting rod is the critical link between your crankshaft and piston—any flex, wear, or imbalance directly translates to power loss and reliability issues. The PROX 03.4309 is a complete,...
    09230131
    SKU:
    09230131
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    FORGED STEEL
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.4118

    PROX Connecting Rod 03.4118

    PROX

    $116.95
    A connecting rod is the critical link between your piston and crankshaft—it transfers combustion force into rotational power while enduring extreme stress cycles. The PROX 03.4118 is a complete...
    09230132
    SKU:
    09230132
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $116.95
    Qty in Cart: 0
    Quantity:
    Price:
    $116.95
    Subtotal:
  • PROX Connecting Rod 03.2217

    PROX Connecting Rod 03.2217

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft, transmitting combustion forces while enduring extreme reciprocating loads. The PROX 03.2217 is a complete assembly that...
    09230133
    SKU:
    09230133
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.1105

    PROX Connecting Rod 03.1105

    PROX

    $109.95
    A quality connecting rod is fundamental to engine reliability and power delivery—it's the critical link between your crankshaft and piston, handling extreme forces with every combustion cycle. The...
    09230134
    SKU:
    09230134
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    ENGINE TYPE:
    2-STROKE
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.3219

    PROX Connecting Rod 03.3219

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft—it must handle extreme forces with zero tolerance for failure. The PROX 03.3219 is engineered to deliver reliable power...
    09230135
    SKU:
    09230135
    Availability:
    Ships Same Business Day
    Weight:
    0.76 LBS
    UNITS:
    EACH
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.2309

    PROX Connecting Rod 03.2309

    PROX

    $132.95
    A connecting rod is the critical link between your crankshaft and piston—it must withstand extreme forces while maintaining precise tolerances. The PROX 03.2309 arrives as a complete assembly with...
    09230136
    SKU:
    09230136
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.4108

    PROX Connecting Rod 03.4108

    PROX

    $109.95
    A connecting rod is the critical link between your crankshaft and piston—its durability directly impacts engine reliability and power delivery. The PROX 03.4108 is a precision-engineered rod designed...
    09230137
    SKU:
    09230137
    Availability:
    Ships Same Business Day
    Weight:
    0.63 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.3310

    PROX Connecting Rod 03.3310

    PROX

    $132.95
    A connecting rod is the critical link between your crankshaft and piston—it must withstand extreme pressures, temperature swings, and rapid reciprocating forces without compromise. The PROX 03.3310...
    09230139
    SKU:
    09230139
    Availability:
    Ships Same Business Day
    Weight:
    1.08 LBS
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.2306

    PROX Connecting Rod 03.2306

    PROX

    $125.95
    A connecting rod is the critical link between your piston and crankshaft—if it fails, your engine does too. The PROX 03.2306 is a complete, pre-assembled connecting rod assembly that eliminates...
    09230140
    SKU:
    09230140
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    MATERIAL:
    FORGED STEEL
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $125.95
    Qty in Cart: 0
    Quantity:
    Price:
    $125.95
    Subtotal:
  • PROX Connecting Rod 03.6104

    PROX Connecting Rod 03.6104

    PROX

    $109.95
    A connecting rod is the critical link between your piston and crankshaft—any flex, wear, or imbalance directly kills power delivery and reliability. The PROX 03.6104 is a complete, ready-to-install...
    09230141
    SKU:
    09230141
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CONNECTING ROD KIT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • PROX Connecting Rod 03.2403

    PROX Connecting Rod 03.2403

    PROX

    $173.95
    A connecting rod is the critical bridge between your piston and crankshaft—if it fails, your engine fails. The PROX 03.2403 is a complete, ready-to-install assembly that eliminates the need to source...
    09230142
    SKU:
    09230142
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    $173.95
    Qty in Cart: 0
    Quantity:
    Price:
    $173.95
    Subtotal:
  • PROX Connecting Rod 03.2221

    PROX Connecting Rod 03.2221

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft—any weakness here directly undermines engine reliability and power delivery. The PROX Connecting Rod 03.2221 is engineered...
    09230143
    SKU:
    09230143
    Availability:
    Ships Same Business Day
    Weight:
    0.78 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.2105

    PROX Connecting Rod 03.2105

    PROX

    $112.95
    A connecting rod is the critical link between your crankshaft and piston, transferring combustion force while enduring extreme stress cycles. The PROX 03.2105 is engineered to handle high-RPM demands...
    09230144
    SKU:
    09230144
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    FORGED STEEL
    $112.95
    Qty in Cart: 0
    Quantity:
    Price:
    $112.95
    Subtotal:
  • PROX Connecting Rod 03.2420

    PROX Connecting Rod 03.2420

    PROX

    $183.95
    A connecting rod is the critical link between your crankshaft and piston, transmitting combustion forces while managing extreme stress and temperature cycles. The PROX 03.2420 delivers OEM-equivalent...
    09230145
    SKU:
    09230145
    Availability:
    Ships Same Business Day
    Weight:
    1.52 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    CONNECTING ROD KIT
    MATERIAL:
    FORGED STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $183.95
    Qty in Cart: 0
    Quantity:
    Price:
    $183.95
    Subtotal:
  • PROX Connecting Rod 03.2310F

    PROX Connecting Rod 03.2310F

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft—its strength and precision directly impact engine reliability and power delivery. The PROX Connecting Rod 03.2310F is...
    09230146
    SKU:
    09230146
    Availability:
    Ships Same Business Day
    Weight:
    0.78 LBS
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.1322

    PROX Connecting Rod 03.1322

    PROX

    $119.95
    A connecting rod is the critical link between your piston and crankshaft—it's under extreme stress with every combustion cycle, and a weak or worn unit can destroy an entire engine. The PROX...
    09230147
    SKU:
    09230147
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    ENGINE TYPE:
    2-STROKE
    FEATURES:
    INCLUDES THRUST WASHERS
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Connecting Rod 03.6311

    PROX Connecting Rod 03.6311

    PROX

    $132.95
    A connecting rod is the critical link between your piston and crankshaft—it must handle extreme forces and maintain precision tolerances or your engine fails catastrophically. The PROX 03.6311 is a...
    09230148
    SKU:
    09230148
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    $132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $132.95
    Subtotal:
  • PROX Connecting Rod 03.3122

    PROX Connecting Rod 03.3122

    PROX

    $109.95
    A connecting rod is the critical link between your crankshaft and piston—it transmits combustion forces while enduring extreme stress at high RPM. The PROX 03.3122 arrives as a complete assembly with...
    09230149
    SKU:
    09230149
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    MATERIAL:
    FORGED STEEL
    PRODUCT NAME:
    CONNECTING ROD KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $109.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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