Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 76.950mm Bore, 13.50 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20031K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20060-CK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20080K2

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: ESP-334536236100

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Estimated Ship Date: Nov 5, 2025 if ordered today

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

Part Number: ESP-334540016100

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Estimated Ship Date: Nov 5, 2025 if ordered today

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engine rotating kits

Part Number: MAN-39582R

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Estimated Ship Date: Nov 19, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 582 4.375/4.600 DOME

Part Number: MAN-39582RH

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Estimated Ship Date: Nov 19, 2025 if ordered today

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ROTATING ASSEMBLY KIT-BBC 582 4.375/4.600 DOME

Part Number: MAN-39582RHX

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Estimated Ship Date: Nov 19, 2025 if ordered today

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88CC BIG BORE PISTON KIT

Part Number: BRM-411-HXR-5411

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS RZR 800

Part Number: CLW-61002-K01

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Estimated Ship Date: Oct 29, 2025 if ordered today

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STD BORE KIT

Part Number: CLW-10004-K01

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Cylinder Kit, Aluminum, 96.00mm Bore, for use on Honda®, Set

Part Number: CLW-10005

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, Standard Bore, for use on Honda®, Set

Part Number: CLW-10005-K01

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 99mm Bore, for use on Honda®, ATV, Kit

Part Number: CLW-11005-K01

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Estimated Ship Date: Oct 29, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ250, Kit

Part Number: HRI-CBK0135

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, Kit

Part Number: HRI-CBK0165

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0171

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RMZ250, Kit

Part Number: HRI-CBK0173

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0178

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Estimated Ship Date: Oct 20, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0187

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Estimated Ship Date: Oct 20, 2025 if ordered today

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

Part Number: HRI-CBK0194

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0223

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Estimated Ship Date: Oct 20, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: Oct 20, 2025 if ordered today

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