Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L07512

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.075 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0752

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L08012

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Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0802

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7807

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Engine Kit, Start Up, Crate Engine, GM, V8, SBC, Kit

Part Number: SUM-CSUMGMINS01

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008K

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HD IN-FRAME KITS

Part Number: CLE-45955241STD

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Estimated Ship Date: Jul 28, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4685100STD

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Estimated Ship Date: Aug 4, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: CPI-KV1291H-CS

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Estimated Ship Date: Oct 13, 2025 if ordered today

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CYLINDER, STANDARD BORE KIT POLARIS

Part Number: CLW-60004-K01

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Estimated Ship Date: Aug 8, 2025 if ordered today

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S&S Cycle 2017+ M8 Models 4.250in Bore Unhoned Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0740

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Estimated Ship Date: Aug 8, 2025 if ordered today

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

Part Number: HRI-CBK0109

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Estimated Ship Date: Jul 30, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set

Part Number: CLW-21010-K01

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Estimated Ship Date: Aug 11, 2025 if ordered today

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

Part Number: CLW-11001-K01

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Estimated Ship Date: Aug 8, 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: Aug 8, 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: Aug 8, 2025 if ordered today

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

Part Number: CLW-20002-K02

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Estimated Ship Date: Aug 8, 2025 if ordered today

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

Part Number: CLW-20002-K03

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 12.00 to 1 Compression Ratio, Kit

Part Number: CLW-20003-K02

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Estimated Ship Date: Aug 8, 2025 if ordered today

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CYL WORKS STD BORE KIT YZ450F

Part Number: CLW-20005-K02

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Top End Engine Kit STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K02

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, YFZ450, Set

Part Number: CLW-23001-K01

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Standard Bore Cylinder Kit, Forged Piston, 77mm Bore, Kawasaki, Suzuki, Motorcycle, Kit

Part Number: CLW-30001-K01

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Estimated Ship Date: Aug 8, 2025 if ordered today

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Standard Bore Cylinder Kit, Forged Piston, 77mm Bore, Kawasaki, Motorcycle, Kit

Part Number: CLW-30001-K02

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Estimated Ship Date: Aug 8, 2025 if ordered today

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