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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On Sale
VERTEX Piston Ring 53010003950
VERTEX
MSRP: $20.45Now: $18.86Was: $20.95VERTEX Piston Ring 53010003950Replacement piston rings, Nitride coated or chrome plated, increasing wear resistance and extending durability, The latest generation for both two-stroke and four-stroke engines; four-stroke piston rings are sold in sets and...09120346- SKU:
- 09120346
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- PISTON DIAMETER METRIC:
- 90.45 MM
- PRODUCT NAME:
- PISTON RING
- BORE SIZE METRIC:
- 90.50 MM
- UNITS:
- SET
MSRP: $20.45Now: $18.86Was: $20.95 -
On Sale
VERTEX Piston Kit - Standard 23429CD
VERTEX
MSRP: $80.95Now: $74.66Was: $83.95VERTEX Piston Kit Standard 23429CDAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102065- SKU:
- 09102065
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 50 CC
- PISTON DIAMETER METRIC:
- 39.47 MM
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 39.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $80.95Now: $74.66Was: $83.95 -
On Sale
VERTEX Piston Kit 24101B
VERTEX
MSRP: $182.95Now: $168.26Was: $187.95VERTEX Piston Kit 24101BAll pistons are heat treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life, Cast piston kits are gravity...09104071- SKU:
- 09104071
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- DISPLACEMENT:
- 150 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 57.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 58 MM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- CAST REPLICA
MSRP: $182.95Now: $168.26Was: $187.95 -
On Sale
VERTEX Piston Kit - Standard 22646B
VERTEX
MSRP: $193.95Now: $178.16Was: $198.95VERTEX Piston Kit Standard 22646BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09100951- SKU:
- 09100951
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- PISTON DIAMETER METRIC:
- 66.35 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- STYLE:
- CAST REPLICA
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $193.95Now: $178.16Was: $198.95 -
On Sale
VERTEX Piston Kit - Standard 22387B
VERTEX
MSRP: $171.95Now: $157.46Was: $175.95VERTEX Piston Kit Standard 22387BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09101032- SKU:
- 09101032
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- CYLINDER DIAMETER METRIC:
- 66.40 MM
- DISPLACEMENT:
- 250 CC
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON DIAMETER METRIC:
- 66.35 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $171.95Now: $157.46Was: $175.95 -
On Sale
VERTEX Piston Kit - Standard 22983B
VERTEX
MSRP: $198.95Now: $182.66Was: $203.95VERTEX Piston Kit Standard 22983BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09101043- SKU:
- 09101043
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $198.95Now: $182.66Was: $203.95 -
On Sale
VERTEX Piston Kit 23335B
VERTEX
MSRP: $155.95Now: $143.06Was: $159.95VERTEX Piston Kit 23335BAll pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09102117- SKU:
- 09102117
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- FORGED RACE
- BORE - OVERSIZE:
- +4,00 MM
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- CYLINDER DIAMETER METRIC:
- 58.00 MM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- DISPLACEMENT:
- 144 CC
- PISTON DIAMETER METRIC:
- 57.96 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $155.95Now: $143.06Was: $159.95 -
WISECO Ring Set 1850CD
WISECO
$49.95WISECO Ring Set 1850CDEach ring set is for one piston1850CD- SKU:
- 1850CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
- BORE SIZE METRIC:
- 47.00 MM
- PRODUCT NAME:
- PISTON RING
$49.95 -
WISECO Ring Set 1850CS
WISECO
$24.95WISECO Ring Set 1850CSEach ring set is for one piston1850CS- SKU:
- 1850CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE SIZE METRIC:
- 47.00 MM
- UNITS:
- SET
$24.95 -
WISECO Ring Set 1869CD
WISECO
$49.95WISECO Ring Set 1869CDEach ring set is for one piston1869CD- SKU:
- 1869CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 47.50 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
$49.95 -
WISECO Ring Set 1869CS
WISECO
$24.95WISECO Ring Set 1869CSEach ring set is for one piston1869CS- SKU:
- 1869CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
$24.95 -
WISECO Ring Set 1890CS
WISECO
$24.95WISECO Ring Set 1890CSEach ring set is for one piston1890CS- SKU:
- 1890CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 82,9 CC
- UNITS:
- SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$24.95 -
WISECO Ring Set 1909CD
WISECO
$49.95WISECO Ring Set 1909CDEach ring set is for one piston1909CD- SKU:
- 1909CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 82,9 CC
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$49.95 -
WISECO Wrist Pin S255
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS255- SKU:
- S255
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- LENGTH:
- 50 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 16,00 MM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- LENGTH METRIC:
- 50 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$22.99 -
WISECO Wrist Pin S257
WISECO
$22.99Wiseco's high-tech manufacturing ensures greater operating strength and lower expansion at high temperaturesS257- SKU:
- S257
- Weight:
- 0.25 LBS
- LENGTH:
- 56 MM
- UNITS:
- EACH
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- LENGTH METRIC:
- 56 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$22.99 -
WISECO Piston Kit - Standard - RM-Z 250 40007M07700
WISECO
$224.95Wiseco 40007M07700 Piston Kit Maximize your motorcycle's engine performance with the Wiseco 40007M07700 Piston Kit, expertly engineered for high-performance 4-stroke engines. Built for riders who demand power, reliability, and precision, this premium...09102888- SKU:
- 09102888
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 53.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95 -
WISECO Piston - Yamaha - Standard 234M07000
WISECO
$199.95Wiseco 234M07000 Piston Kit Transform your dirt bike's engine performance with the Wiseco 234M07000 Piston Kit, a top-tier choice for 2-stroke engines. Crafted with precision and durability in mind, this piston kit is perfect for riders who demand...234M07000- SKU:
- 234M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 64.00 MM
$199.95 -
WISECO Piston - Honda - .40mm 4171M07500
WISECO
$194.95Wiseco 4171M07500 Piston Kit Take the performance of your motorcycle engine to the next level with the Wiseco 4171M07500 Piston Kit, designed specifically for riders who demand power, durability, and reliability. Engineered for exceptional performance,...4171M07500- SKU:
- 4171M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PISTON DIAMETER METRIC:
- 74.95 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 75.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 248 CC
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 57.80 MM
$194.95 -
WISECO Piston - Honda - Standard 338M07000
WISECO
$199.95Wiseco 338M07000 Piston Kit Elevate your dirt bike's and ATV’s performance with the Wiseco 338M07000 Piston Kit, specifically crafted for high-performance 2-stroke engines. Delivering unbeatable strength, durability, and precision, this piston kit...338M07000- SKU:
- 338M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- DISPLACEMENT:
- 248 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
$199.95 -
WISECO Piston - Honda - 1.50mm 338M07150
WISECO
$224.95Wiseco 338M07150 Piston Kit Unleash your engine's full potential with the Wiseco 338M07150 Piston Kit, expertly designed for 2-stroke engines. Crafted for strength, reliability, and superior performance, this piston kit is the ultimate upgrade for...338M07150- SKU:
- 338M07150
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 71.50 MM
- DISPLACEMENT:
- 248 CC
- PISTON DIAMETER METRIC:
- 71.45 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.40 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
$224.95
