Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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WISECO Piston Kit - Standard - KX250F 4927M07700
WISECO
$264.95Wiseco 4927M07700 Piston Kit Unleash the full potential of your motorcycle with the Wiseco 4927M07700 Piston Kit—an advanced, high-performance solution designed for riders who demand excellence. Built with years of expertise and cutting-edge...09100845- SKU:
- 09100845
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$264.95 -
WISECO Piston Kit - Standard 4981M07600
WISECO
$273.95Wiseco 4981M07600 Piston Kit Elevate your motorcycle's engine to unmatched levels of performance with the Wiseco 4981M07600 Piston Kit. Engineered for high-performance and durability, this kit is the perfect upgrade for riders who demand excellence from...09100846- SKU:
- 09100846
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE SIZE METRIC:
- 76.00 MM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 249,5 CC
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$273.95 -
WISECO Piston Kit - Standard 40006M07600
WISECO
$279.95Wiseco 40006M07600 Piston Kit Take your motorcycle’s performance to the next level with the Wiseco 40006M07600 Piston Kit, a premium upgrade designed for serious riders and racers. Engineered with advanced technology and built for excellence, this...09100848- SKU:
- 09100848
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 262,80 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 249,5 CC
- BORE SIZE METRIC:
- 76.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
$279.95 -
WISECO Piston Kit - KTM 450XCF 4937M09700
WISECO
$254.95Wiseco 4937M09700 Piston Kit Unlock peak performance with the Wiseco 4937M09700 Piston Kit, a premium solution designed for riders who demand ultimate power and reliability. Built with state-of-the-art technology, this piston kit is tailored to deliver...09100850- SKU:
- 09100850
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 449 CC
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
$254.95 -
WISECO Piston Kit with Gaskets PK1196
WISECO
$259.95Wiseco PK1196 Top-End Kit Revamp your motorcycle engine with the Wiseco PK1196 Top-End Kit, precision-engineered to deliver exceptional performance and reliability for dedicated riders. Perfect for high-intensity racing or leisure trail riding, this...09030542- SKU:
- 09030542
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,10 MM
- BORE - OVERSIZE METRIC:
- +1.10 MM
- PISTON DIAMETER METRIC:
- 67.46 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
$259.95 -
WISECO Piston Kit - - Standard - RM-Z 250 4921M07700
WISECO
$224.95Wiseco 4921M07700 Piston Kit Elevate your motorcycle’s performance with the Wiseco 4921M07700 Piston Kit, a high-quality upgrade designed to meet the demands of serious riders. Engineered for durability, precision, and optimal performance, this...09100852- SKU:
- 09100852
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 53.60 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
$224.95 -
WISECO Piston Kit with Gaskets PK1216
WISECO
$169.95Wiseco PK1216 Top-End Rebuild Kit Unleash the full potential of your 2-stroke engine with the Wiseco PK1216 Top-End Rebuild Kit, designed to deliver exceptional performance and dependability for competitive riders. Built with precision and premium...09030545- SKU:
- 09030545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 84.7 CC
- PISTON DIAMETER METRIC:
- 48.45 MM
$169.95 -
WISECO Piston Kit with Gaskets PK1321
WISECO
$234.95Wiseco PK1321 Top-End Rebuild Kit Take your 2-stroke engine to the next level with the Wiseco PK1321 Top-End Rebuild Kit, crafted for riders who demand superior performance and reliability. Designed specifically for competitive racing and spirited trail...09030548- SKU:
- 09030548
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 55.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 55.46 MM
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
$234.95 -
WISECO Piston Kit with Gaskets PK1240
WISECO
$354.95Wiseco PK1240 Top-End Rebuild Kit Gear up for unmatched performance with the Wiseco PK1240 Top-End Rebuild Kit, meticulously engineered to handle the demands of high-performance 4-stroke engines. Whether you’re conquering the racetrack or tackling...09030551- SKU:
- 09030551
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$354.95 -
WISECO Piston Kit with Gaskets PK1236
WISECO
$304.95Wiseco PK1236 Top-End Rebuild Kit Revitalize your 4-stroke engine with the Wiseco PK1236 Top-End Rebuild Kit, meticulously designed to deliver exceptional performance and reliability. Whether you’re racing or trail riding, this kit is built to...09030553- SKU:
- 09030553
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- BORE SIZE METRIC:
- 78.00 MM
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- TYPE:
- TOP END
- UNITS:
- KIT
$304.95 -
WISECO Piston Kit - Standard 762M05400
WISECO
$174.95Wiseco 762M05400 GP Series Piston Kit Unlock the performance potential of your motorcycle with the Wiseco 762M05400 GP Series Piston Kit, precision-engineered to meet the rigorous demands of endurance riding. Designed for 2-stroke engines, this piston...09100729- SKU:
- 09100729
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 54.50 MM
$174.95 -
WISECO Piston Kit - +2.00 mm 762M05600
WISECO
$199.95Wiseco 762M05600 GP Series Piston Kit Unlock the full potential of your 2-stroke engine with the Wiseco 762M05600 GP Series Piston Kit, expertly designed for riders who demand performance and durability in every ride. Engineered for endurance and...09100730- SKU:
- 09100730
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 134 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
$199.95 -
WISECO Piston Kit - Standard 841M05400
WISECO
$174.95Wiseco 841M05400 GP Series Piston Kit Elevate your riding experience with the Wiseco 841M05400 GP Series Piston Kit, a high-performance upgrade crafted for endurance and reliability. Whether you're hitting the track or conquering rugged trails, this...09100731- SKU:
- 09100731
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$174.95 -
WISECO Piston Kit - +2.00 mm - CR125R 841M05600
WISECO
$199.95Wiseco 841M05600 GP-Style Piston Kit Take your 2-stroke engine to the next level with the Wiseco 841M05600 GP-Style Piston Kit, engineered for high-performance and endurance riding. Whether you're tackling demanding race tracks or enjoying high-speed...09100732- SKU:
- 09100732
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 56.00 MM
- MODEL:
- RACER'S CHOICE
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$199.95 -
WISECO Piston Kit - Standard - CR125R 840M05400
WISECO
$144.95Wiseco 840M05400 Pro-Lite Piston Kit Experience unparalleled performance with the Wiseco 840M05400 Pro-Lite Piston Kit, designed to elevate your 2-stroke engine's capabilities. Crafted for reliability and precision, this kit is the ultimate upgrade for...09100733- SKU:
- 09100733
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$144.95 -
WISECO Piston Kit with Gaskets PK1366
WISECO
$334.95Wiseco PK1366 Top End Piston Kit Maximize your motorcycle's potential with the Wiseco PK1366 Top End Piston Kit, a premium upgrade designed for 4-stroke engines. Precision-engineered and built for enduring performance, this kit is a must-have for riders...09030574- SKU:
- 09030574
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- TYPE:
- TOP END
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- KIT
$334.95 -
WISECO Piston Kit with Gaskets PK1403
WISECO
$319.95Wiseco PK1403 Top End Piston Kit Unlock the potential of your 4-stroke engine with the Wiseco PK1403 Top End Piston Kit, a premium performance solution designed for demanding riders and seamless rebuilds. Engineered for Kawasaki models, this kit merges...09030575- SKU:
- 09030575
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$319.95 -
WISECO Piston Kit with Gaskets PK1405
WISECO
$349.95Wiseco PK1405 Top End Piston Kit Elevate your motorcycle’s engine performance with the Wiseco PK1405 Top End Piston Kit, built for power, precision, and reliability. Specifically designed for 4-stroke engines, this kit is an excellent upgrade for...09030576- SKU:
- 09030576
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$349.95 -
WISECO Piston Kit with Gaskets PK1279
WISECO
$179.95Wiseco PK1279 Top End Piston Kit Revitalize your 2-stroke engine with the Wiseco PK1279 Top End Piston Kit, the ultimate choice for riders seeking enhanced power, durability, and reliability. Engineered with precision and manufactured using top-notch...09030579- SKU:
- 09030579
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 79.7 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- PISTON DIAMETER METRIC:
- 48.97 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.50 MM
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 45.00 MM
$179.95 -
WISECO Piston Kit - Standard - KX85 862M04850
WISECO
$134.95Wiseco 862M04850 Pro-Lite Piston Kit Unlock the true potential of your 2-stroke engine with the Wiseco 862M04850 Pro-Lite Piston Kit, expertly crafted for riders demanding top-notch performance and durability. Engineered for precision and endurance, this...09100762- SKU:
- 09100762
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95
