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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
ATHENA Connecting Rod Kit P40321017
ATHENA
MSRP: $106.95Now: $96.26Was: $106.95ATHENA Connecting Rod Kit P40321017High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230502- SKU:
- 09230502
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $106.95Now: $96.26Was: $106.95 -
On Sale
ATHENA Connecting Rod Kit P40321019
ATHENA
MSRP: $115.95Now: $104.36Was: $115.95ATHENA Connecting Rod Kit P40321019High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230503- SKU:
- 09230503
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 250 CC
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $115.95Now: $104.36Was: $115.95 -
On Sale
ATHENA Connecting Rod Kit P40321020
ATHENA
MSRP: $148.95Now: $134.06Was: $148.95ATHENA Connecting Rod Kit P40321020High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230504- SKU:
- 09230504
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DISPLACEMENT:
- 250 CC
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 300 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $148.95Now: $134.06Was: $148.95 -
On Sale
ATHENA Connecting Rod Kit P40321021
ATHENA
MSRP: $148.95Now: $134.06Was: $148.95ATHENA Connecting Rod Kit P40321021High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230505- SKU:
- 09230505
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $148.95Now: $134.06Was: $148.95 -
On Sale
ATHENA Connecting Rod Kit P40321022
ATHENA
MSRP: $152.95Now: $137.66Was: $152.95ATHENA Connecting Rod Kit P40321022High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230506- SKU:
- 09230506
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 450 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $152.95Now: $137.66Was: $152.95 -
On Sale
ATHENA Connecting Rod Kit P40321023
ATHENA
MSRP: $152.95Now: $137.66Was: $152.95ATHENA Connecting Rod Kit P40321023High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230507- SKU:
- 09230507
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $152.95Now: $137.66Was: $152.95Qty in Cart: 0Quantity:Price:MSRP: $152.95Now: $137.66Was: $152.95Subtotal: -
On Sale
ATHENA Connecting Rod Kit P40321024
ATHENA
MSRP: $152.95Now: $137.66Was: $152.95ATHENA Connecting Rod Kit P40321024High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230508- SKU:
- 09230508
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $152.95Now: $137.66Was: $152.95 -
On Sale
ATHENA Connecting Rod Kit P40321049
ATHENA
MSRP: $172.95Now: $155.66Was: $172.95ATHENA Connecting Rod Kit P40321049High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230574- SKU:
- 09230574
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- DISPLACEMENT:
- 250 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $172.95Now: $155.66Was: $172.95 -
On Sale
ATHENA Connecting Rod Kit P40321050
ATHENA
MSRP: $243.95Now: $219.56Was: $243.95ATHENA Connecting Rod Kit P40321050High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230576- SKU:
- 09230576
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 250 CC
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $243.95Now: $219.56Was: $243.95 -
On Sale
ATHENA Connecting Rod Kit P40321052
ATHENA
MSRP: $192.95Now: $173.66Was: $192.95ATHENA Connecting Rod Kit P40321052High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230577- SKU:
- 09230577
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- DISPLACEMENT:
- 450 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $192.95Now: $173.66Was: $192.95 -
On Sale
ATHENA Connecting Rod Kit P40321053
ATHENA
MSRP: $115.95Now: $104.36Was: $115.95ATHENA Connecting Rod Kit P40321053High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230578- SKU:
- 09230578
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- DISPLACEMENT:
- 65 CC
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $115.95Now: $104.36Was: $115.95 -
On Sale
ATHENA Connecting Rod Kit P40321054
ATHENA
MSRP: $118.95Now: $107.06Was: $118.95ATHENA Connecting Rod Kit P40321054High-quality, lightweight connecting rods, Made with similar materials to the OEM component to ensure the same performance, Superficial high-frequency treatment for higher resistance that reduces rotational and...09230579- SKU:
- 09230579
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 85 CC
MSRP: $118.95Now: $107.06Was: $118.95 -
On Sale
ATHENA Piston Ring Set - Standard S41316004
ATHENA
MSRP: $26.95Now: $24.26Was: $26.95ATHENA Piston Ring Set Standard S41316004Replacement rings for Athena Forged Pistons09120005- SKU:
- 09120005
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- BORE SIZE METRIC:
- 53.95 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
MSRP: $26.95Now: $24.26Was: $26.95 -
On Sale
ATHENA Piston Ring Set S41316030
ATHENA
MSRP: $41.95Now: $37.76Was: $41.95ATHENA Piston Ring Set S41316030Replacement rings for Athena Forged Pistons09120158- SKU:
- 09120158
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BORE SIZE METRIC:
- 95.50 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- PISTON MATERIAL:
- FORGED
- UNITS:
- SET
MSRP: $41.95Now: $37.76Was: $41.95 -
On Sale
ATHENA Piston Ring Set S41316133
ATHENA
MSRP: $33.95Now: $30.56Was: $33.95ATHENA Piston Ring Set S41316133Replacement rings for Athena Forged Pistons09120159- SKU:
- 09120159
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 83.00 MM
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED
MSRP: $33.95Now: $30.56Was: $33.95 -
On Sale
ATHENA Piston Ring Set S41316130
ATHENA
MSRP: $15.95Now: $14.36Was: $15.95ATHENA Piston Ring Set S41316130Replacement rings for Athena Forged Pistons09120160- SKU:
- 09120160
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 53.94 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
MSRP: $15.95Now: $14.36Was: $15.95 -
On Sale
ATHENA Piston Ring Set S41316089
ATHENA
MSRP: $39.95Now: $35.96Was: $39.95ATHENA Piston Ring Set S41316089Replacement rings for Athena Forged Pistons09120281- SKU:
- 09120281
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED
MSRP: $39.95Now: $35.96Was: $39.95 -
On Sale
ATHENA Ring Set S41316181
ATHENA
MSRP: $55.95Now: $50.36Was: $55.95ATHENA Ring Set S41316181Replacement rings for Athena Forged Pistons09120331- SKU:
- 09120331
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 68.96 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- ENGINE TYPE:
- 4-STROKE
MSRP: $55.95Now: $50.36Was: $55.95 -
On Sale
ATHENA Piston Ring Set S41316138
ATHENA
MSRP: $43.95Now: $39.56Was: $43.95ATHENA Piston Ring Set S41316138Replacement rings for Athena Forged Pistons09120606- SKU:
- 09120606
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- BORE SIZE METRIC:
- 53.96 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- SET
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
MSRP: $43.95Now: $39.56Was: $43.95Qty in Cart: 0Quantity:Price:MSRP: $43.95Now: $39.56Was: $43.95Subtotal: -
On Sale
ATHENA Crankcase - Yamaha S410130320004
ATHENA
MSRP: $186.95Now: $168.26Was: $186.95ATHENA Crankcase Yamaha S410130320004Made of special steel and manufactured with CNC high-precision machinery, Standard stroke09210019- SKU:
- 09210019
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CRANKSHAFT
- UNITS:
- EACH
MSRP: $186.95Now: $168.26Was: $186.95
