Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. 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.
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WISECO Piston Kit with Gaskets PK1399
WISECO
$324.95WISECO Piston Kit with Gaskets PK1399 Boost your Suzuki RM-Z450’s power and reliability with the Wiseco Piston Kit - PK1399. Engineered for maximum durability and performance, this top-of-the-line kit is built to meet the demands of riders who push...09030569- SKU:
- 09030569
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- BORE SIZE METRIC:
- 95.50 MM
- MODEL:
- FORGED SERIES
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.80 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON DIAMETER METRIC:
- 95.44 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$324.95 -
WISECO Piston Kit - Standard - XR70 4880M04800
WISECO
$134.95WISECO Piston Kit Standard XR70 4880M04800 Elevate your Honda XR/CRF70’s performance with the Wiseco Piston Kit. Engineered for durability and precision, this piston kit offers unparalleled strength and efficiency—perfect for riders who...09100749- SKU:
- 09100749
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 75 CC
- DISPLACEMENT:
- 72 CC
- STROKE LENGTH METRIC:
- 41.40 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 48.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$134.95 -
WISECO Piston Kit with Gaskets PK1224
WISECO
$274.95WISECO Piston Kit with Gaskets PK1224 Unlock the full potential of your Honda with the Wiseco Top End Kit, precision-engineered for riders who demand unrivaled power and durability. Designed with the latest materials and technology, this kit promises...09030571- SKU:
- 09030571
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE - OVERSIZE METRIC:
- +5.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 59.50 MM
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 77.95 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +5,00 MM
- BORE SIZE METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$274.95 -
WISECO Piston Kit - +2.00 mm - XR80/R/CRF80F 4665M04950
WISECO
$169.95WISECO Piston Kit +2.00 mm XR80/R/CRF80F 4665M04950 Upgrade your Honda’s performance with the Wiseco Piston Kit, designed for strength, durability, and exceptional engine efficiency. This precision-engineered kit is built to meet the demands of...09100327- SKU:
- 09100327
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 49.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 87 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.00 MM
- UNITS:
- EACH
$169.95 -
WISECO Piston Kit - +1.00 mm - XR100/R/CRF100F 4666M05400
WISECO
$154.95WISECO Piston Kit +1.00 mm XR100/R/CRF100F 4666M05400 Elevate the performance of your Honda with the Wiseco Piston Kit, a top-tier solution for riders who demand durability and power. Expertly engineered and built to deliver peak efficiency, this piston...09100329- SKU:
- 09100329
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 103,00 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.00 MM
$154.95 -
WISECO Piston - Suzuki - .50mm 405M06750
WISECO
$199.95WISECO Piston Suzuki .50mm 405M06750 Unleash the full potential of your Suzuki PE250 or RM250 with the Wiseco Piston Kit, a high-performance upgrade engineered to deliver superior power and durability. Designed for precision and reliability, this piston...405M06750- SKU:
- 405M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 67.44 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$199.95 -
WISECO Piston Kit - Yamaha YZ250F 4982M08300
WISECO
$279.95WISECO Piston Kit Yamaha YZ250F 4982M08300 Discover unmatched performance and reliability with the Wiseco Piston Kit, precision-engineered to elevate your bike's capabilities. Crafted to handle the demands of high-performance engines, this piston kit is...09102936- SKU:
- 09102936
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STROKE LENGTH METRIC:
- 53.60 MM
- BORE - OVERSIZE:
- +6,00 MM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +6.00 MM
- BORE SIZE METRIC:
- 83.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$279.95 -
WISECO Piston Kit - XR650C/L 4989M10000
WISECO
$239.95WISECO Piston Kit XR650C/L 4989M10000 Unleash the full potential of your Honda with the Wiseco Piston Kit, engineered for performance, durability, and peak efficiency. This industry-leading piston kit is the ideal upgrade for riders who demand high...09102939- SKU:
- 09102939
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE SIZE METRIC:
- 100.00 MM
- STROKE LENGTH METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
$239.95 -
WISECO Piston Kit 4989M10241
WISECO
$269.95Wiseco Piston Kit - 4989M10241 Revamp your Honda’s performance with the Wiseco Piston Kit, a premium solution crafted to meet the demands of riders who expect nothing less than excellence. Perfectly engineered for power and durability, this piston...09102941- SKU:
- 09102941
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- STROKE LENGTH METRIC:
- 82.00 MM
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE - OVERSIZE:
- +2,40 MM
- BORE - OVERSIZE METRIC:
- +2.40 MM
- BORE SIZE METRIC:
- 102.40 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$269.95 -
WISECO Piston Kit - Kawasaki KX450F 4990M09600
WISECO
$269.95Wiseco Piston Kit - 4990M09600 Take your Kawasaki KX450F’s performance to new heights with the Wiseco Piston Kit. Designed to withstand the toughest racing conditions, this kit combines cutting-edge engineering with premium materials to deliver...09102942- SKU:
- 09102942
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 449 CC
- PISTON MATERIAL:
- FORGED
$269.95Qty in Cart: 0Quantity:Price:$269.95Subtotal: -
WISECO Piston - Standard 435M05600
WISECO
$154.95Wiseco Piston Kit - 435M05600 Optimize your Yamaha YZ125 with the Wiseco Piston Kit, engineered to deliver exceptional performance and durability for riders who demand the best from their machines. Key Features: High Silicon, Low Expansion...435M05600- SKU:
- 435M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- DISPLACEMENT:
- 123 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 55.95 MM
- PRODUCT NAME:
- PISTON KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
WISECO Piston - 2.0mm 435M05800
WISECO
$179.95Wiseco Piston Kit - 435M05800 Unleash the full potential of your Yamaha YZ125 with the Wiseco Piston Kit. Designed for both competitive racers and recreational riders, this piston kit combines precision engineering with proven durability for peak...435M05800- SKU:
- 435M05800
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 58.00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 57.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$179.95 -
WISECO Piston Kit - Racer Elite RE918M05200
WISECO
$149.95Wiseco Racer Elite 2-Stroke Series Piston Kit - RE918M05200 Elevate your bike's performance with the Wiseco Racer Elite 2-Stroke Series Piston Kit. Purpose-built for durability and peak engine efficiency, this kit is designed for riders who demand the...09105102- SKU:
- 09105102
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
$149.95 -
Wossner Connecting Rod Kawasaki KX500 1989-2004 P2039
WOSSNER
$152.00WOSSNER Connecting Rod for KX500 P2039 Elevate your engine's performance with the WOSSNER Connecting Rod Kit, meticulously engineered for the KX500. This comprehensive kit includes everything necessary for a complete crankshaft rebuild, ensuring superior...09230417- SKU:
- 09230417
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- UNITS:
- KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$152.00 -
Wossner 50 SX 2007-2023 Connecting Rod P2053
WOSSNER
$112.00WOSSNER Connecting Rod P2053 Elevate your engine's performance with the WOSSNER Connecting Rod P2053, expertly engineered for durability and efficiency. This premium connecting rod kit includes everything you need for a complete crankshaft rebuild,...09230419- SKU:
- 09230419
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
$112.00Qty in Cart: 0Quantity:Price:$112.00Subtotal: -
Wossner Connecting Rod for KTM 65 SX 2009-2025 P2055
WOSSNER
$112.00WOSSNER Connecting Rod for KTM 65SX P2055 Elevate your KTM 65SX performance with the WOSSNER Connecting Rod Kit, meticulously engineered for durability and precision. This comprehensive kit includes all essential components for a seamless crankshaft...09230421- SKU:
- 09230421
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- STYLE:
- STANDARD
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
$112.00 -
Wossner Connecting Rod Kit for KTM 85 SX 2013-2025 P2065
WOSSNER
$112.00WOSSNER Connecting Rod SX85 P2065 The WOSSNER Connecting Rod SX85 P2065 is engineered for performance and durability, making it an ideal choice for your crankshaft rebuild. Crafted from high-quality 8620 forged alloy, this connecting rod kit ensures...09230426- SKU:
- 09230426
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- STYLE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$112.00 -
Wossner Connecting Rod Honda CRF250R 2004-2017 P4001
WOSSNER
$174.00WOSSNER Connecting Rod CRF250 P4001 Elevate your engine's performance with the WOSSNER Connecting Rod Kit, meticulously engineered for the CRF250. This comprehensive kit includes all necessary components for a seamless crankshaft rebuild, ensuring...09230428- SKU:
- 09230428
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$174.00 -
Wossner Connecting Rod Kawasaki KX250F 2004-2009 P4002
WOSSNER
$174.00WOSSNER Connecting Rod KX250F P4002 The WOSSNER Connecting Rod Kit for the KX250F is meticulously crafted to ensure optimal performance and durability. Designed with precision engineering, this kit is essential for a successful crankshaft rebuild,...09230429- SKU:
- 09230429
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$174.00 -
Wossner Connecting Rod for Suzuki RM-Z250 2007-2025 P4004
WOSSNER
$174.00WOSSNER Connecting Rod RMZ250 P4004 Elevate your engine's performance with the WOSSNER Connecting Rod RMZ250 P4004. This premium connecting rod kit is meticulously engineered to provide exceptional strength and durability, ensuring your crankshaft...09230431- SKU:
- 09230431
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STYLE:
- STANDARD
$174.00
