Dirt Bike Engine
Dirt Bike Engine Parts at JJ Motorsports
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance from JJ Motorsports. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts to keep your engine running at peak efficiency on the track or trails.
Shop trusted brands like Wiseco for forged piston kits and K&N for high-flow oil filters. Explore related categories such as Dirt Bike Air and Fuel for intake upgrades or Dirt Bike Exhaust for complete systems.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HOT RODS Connecting Rod 8132
HOT RODS
$138.95Whether you're pushing high RPM limits or replacing worn factory rods, the HOT RODS 8132 Connecting Rod delivers the strength and precision engineering required for sustained performance. Built from certified 8620 AISI steel and engineered with caged...09230319- SKU:
- 09230319
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- UNITS:
- EACH
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
$138.95 -
HOT RODS Connecting Rod 8602
HOT RODS
$195.95When you're pushing high RPM limits, a connecting rod failure isn't just an inconvenience—it's catastrophic. The HOT RODS 8602 is engineered for the demands of serious racing and high-performance builds, with materials and design features that eliminate...09230320- SKU:
- 09230320
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- KIT
$195.95 -
HOT RODS Connecting Rod 8135
HOT RODS
$198.95When you're pushing your engine to the limit, stock connecting rods become your weak link. The HOT RODS 8135 is engineered for high-RPM reliability with hardened crankpins, precision needle roller bearings, and strategic design features that minimize...09230340- SKU:
- 09230340
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- HEAVY DUTY
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$198.95 -
HOT RODS Connecting Rod 8701
HOT RODS
$305.95Whether you're rebuilding a high-RPM engine or replacing factory rods that can't handle sustained performance demands, the HOT RODS 8701 Connecting Rod delivers the strength and precision required for reliable power delivery. Heavy-duty 8620 AISI steel...09230342- SKU:
- 09230342
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- 8620 STEEL
- STYLE:
- HEAVY DUTY
- ENGINE TYPE:
- 4-CYCLE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$305.95Qty in Cart: 0Quantity:Price:$305.95Subtotal: -
HOT RODS Connecting Rod 8702
HOT RODS
$402.95If you're building or rebuilding an engine that sees sustained high-RPM operation, connecting rod failure isn't just inconvenient—it's catastrophic. The HOT RODS 8702 addresses this reality with precision engineering and material science designed...09230343- SKU:
- 09230343
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- 8620 STEEL
- STYLE:
- HEAVY DUTY
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$402.95 -
HOT RODS Connecting Rod 8705
HOT RODS
$271.95When you're pushing an engine to its limits, connecting rod failure isn't just costly—it's catastrophic. The HOT RODS 8705 replaces weak OE rods with purpose-built components engineered to withstand sustained high-RPM loads, extreme combustion pressures,...09230356- SKU:
- 09230356
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 4-CYCLE
$271.95Qty in Cart: 0Quantity:Price:$271.95Subtotal: -
HOT RODS Connecting Rod 8606
HOT RODS
$177.95When you're pushing your engine to its limits, a failed connecting rod isn't just costly—it's catastrophic. The HOT RODS 8606 is engineered for the abuse that comes with high-RPM racing and forced induction, delivering the strength and precision you need...09230033- SKU:
- 09230033
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- WATERCRAFT
- ENGINE TYPE:
- 2-CYCLE
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
$177.95 -
HOT RODS Connecting Rod 8616
HOT RODS
$219.95Whether you're building a high-rpm engine or replacing worn factory rods, the HOT RODS 8616 Connecting Rod delivers the durability and precision needed for sustained performance. Heavy-duty 8620 AISI steel construction and strategically engineered...09230034- SKU:
- 09230034
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- ENGINE TYPE:
- 4-CYCLE
- STYLE:
- HEAVY DUTY
$219.95 -
HOT RODS Connecting Rod 8615
HOT RODS
$151.95Whether you're rebuilding a high-rpm engine or replacing worn OE rods, the HOT RODS Connecting Rod 8615 delivers the strength and precision required for sustained performance. Certified 8620 AISI steel construction combined with case-hardened crankpins...09230041- SKU:
- 09230041
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-CYCLE
- MATERIAL:
- 8620 STEEL
$151.95 -
HOT RODS Connecting Rod 8663
HOT RODS
$219.95Whether you're rebuilding a high-rpm engine or replacing worn factory rods, the HOT RODS 8663 Connecting Rod delivers the durability and precision demanded by serious engine builders and professional racers. Engineered with certified 8620 AISI steel and...09230220- SKU:
- 09230220
- Availability:
- Ships Same Business Day
- Weight:
- 1.92 LBS
- ENGINE TYPE:
- 4-CYCLE
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$219.95 -
HOT RODS Counter Balancer Bearing Kit - Honda BBK0002
HOT RODS
$25.95A counter balancer bearing failure can compromise engine reliability and performance across the entire drivetrain. Whether you're rebuilding a bottom end or installing a new counter balancer shaft, this HOT RODS kit delivers OEM-quality bearings...09500552- SKU:
- 09500552
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERBALANCE SHAFT
- PRODUCT NAME:
- BEARING KIT
$25.95 -
HOT RODS Counter Balancer Bearing Kit - Yamaha BBK0012
HOT RODS
$98.95A counter balancer bearing failure can cascade into catastrophic engine damage—and replacement is non-negotiable during any case work or shaft rebuild. The HOT RODS BBK0012 kit eliminates guesswork by delivering OEM-quality bearings engineered for the...09500554- SKU:
- 09500554
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERBALANCE SHAFT
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$98.95 -
HOT RODS Counter Balancer Bearing Kit - Honda BBK0029
HOT RODS
$25.95A counter balancer bearing failure can compromise engine balance and lead to costly internal damage. This bearing kit from HOT RODS delivers OEM-equivalent reliability at a fraction of the replacement cost, making it the practical choice for engine...09500908- SKU:
- 09500908
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERBALANCE SHAFT
- UNITS:
- KIT
$25.95 -
HOT RODS Connecting Rod 8161
HOT RODS
$135.95Whether you're building a high-rpm race engine or rebuilding a worn OE assembly, connecting rods are the critical link between your crankshaft and pistons—and failure here means catastrophic engine damage. The HOT RODS 8161 is engineered for sustained...422202- SKU:
- 422202
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- UNITS:
- KIT
$135.95 -
HOT RODS Connecting Rod 8101
HOT RODS
$151.95If you're pushing your engine to high RPM territory, a factory connecting rod won't cut it—you need one engineered specifically for the punishment of sustained performance. The HOT RODS 8101 delivers the strength and precision required for reliable power...422203- SKU:
- 422203
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-CYCLE
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 8620 STEEL
$151.95 -
HOT RODS Water Pump Repair Kit - Suzuki WPK0056
HOT RODS
$30.95A failing water pump doesn't just compromise cooling efficiency—it puts your entire engine at risk of catastrophic overheating. The HOT RODS Water Pump Repair Kit (WPK0056) restores OEM-quality performance by replacing worn bearings and seals that cause...09343122- SKU:
- 09343122
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$30.95 -
HOT RODS Water Pump Repair Kit - KTM WPK0057
HOT RODS
$50.95A leaking water pump doesn't just waste coolant—it signals bearing wear or seal failure that will only worsen under load. This HOT RODS repair kit supplies OEM-quality replacement bearings and seals to restore your pump's integrity without the cost of a...09343139- SKU:
- 09343139
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$50.95 -
HOT RODS Water Pump Repair Kit - KTM WPK0058
HOT RODS
$63.95A leaking water pump compromises cooling efficiency and can lead to catastrophic engine failure—especially on high-demand KTM machines. This repair kit gives you OEM-quality components to restore your pump's integrity without replacing the entire...09343140- SKU:
- 09343140
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$63.95 -
HOT RODS Water Pump Repair Kit - KTM WPK0046
HOT RODS
$46.95A leaking water pump compromises engine cooling efficiency and risks catastrophic overheating during high-demand riding. This HOT RODS repair kit delivers OEM-equivalent components to restore full pump function without replacing the entire assembly,...09343047- SKU:
- 09343047
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$46.95Qty in Cart: 0Quantity:Price:$46.95Subtotal: -
HOT RODS Water Pump Repair Kit - Honda WPK0011
HOT RODS
$41.95A leaking water pump doesn't just waste coolant—it signals bearing wear that will only accelerate if ignored. This repair kit gives you OEM-quality components to restore your pump's integrity without a full replacement, saving time and cost on your next...09342923- SKU:
- 09342923
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$41.95
