Engine Rotating Assemblies & Rebuild Kits

TOP END REPAIR KIT

Part Number: NTI-NX-70020K

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029K3

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-70036K

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Special Order

TOP END REPAIR KIT

Part Number: NTI-NX-70051K

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Special Order

Big Bore Cylinder Kit, Forged Piston, 81mm Bore, for use on Honda®, Motorcycle, Kit

Part Number: CLW-11001-K01

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE KIT HI COMP

Part Number: CLW-20002-K03HC

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Big Bore Cylinder Kit, Forged Piston, 98mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21003-K01

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Big Bore Cylinder Kit, Forged Piston, 80mm Bore, Kawasaki, Suzuki, Motorcycle, Kit

Part Number: CLW-31001-K01

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kit, CYL WORKS BIG BORE KIT HUSQVAR

Part Number: CLW-51007-K01

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits STANDARD BORE KIT HI COMP STANDARD BORE KIT HI COMP

Part Number: CLW-60001-K01HC

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3902

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

• Drop Ship
• Special Order

QB FULL TOP END SET

Part Number: QDB-56-3913

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

• Drop Ship
• Special Order

BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334536236100

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", 58 tooth reluctor

Part Number: ESP-334736236100

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Suzuki, LT250R Quadracer, Kit

Part Number: HRI-CBK0065

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, KTM, 65 SX, Kit

Part Number: HRI-CBK0085

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0088

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFM660F, YXR66F, Kit

Part Number: HRI-CBK0152

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Stroker Crank, Kawasaki, Kit

Part Number: HRI-CBK0157

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFZ450R, YFZ450X, Kit

Part Number: HRI-CBK0179

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT Polaris

Part Number: HRI-HR00121

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order