Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-SBC 383 3.750/4.030

Part Number: MAN-290030RH

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035

Part Number: MAN-290935R

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-SBC 383 3.750/4.035

Part Number: MAN-290935RH

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4595525STD

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT

Part Number: WIS-WPC168

Not Yet Reviewed

Estimated Ship Date: Nov 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", no reluctor

Part Number: ESP-334536236100

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: ESP-334540016100

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 86.73mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-1K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-6K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40045K2

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-4K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003K

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K2

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order

STD BORE KIT

Part Number: CLW-10006-K02

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K03

Not Yet Reviewed

Estimated Ship Date: Nov 3, 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 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFZ450, Kit

Part Number: HRI-CBK0098

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450X, Kit

Part Number: HRI-CBK0105

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, for use on Honda®, Kit

Part Number: HRI-CBK0111

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0140

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0145

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order