Engine Rotating Assemblies & Rebuild Kits

S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1225

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Estimated Ship Date: Oct 27, 2025 if ordered today

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S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1106A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1224

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Estimated Ship Date: Oct 27, 2025 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1227

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Estimated Ship Date: Oct 27, 2025 if ordered today

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S&S Cycle 2017 M8 Models 128in Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/o Highlight

Part Number: SSY-310-1105B

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Estimated Ship Date: Oct 27, 2025 if ordered today

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VERTEX PISTON KT HC FORGED

Part Number: VPX-23833A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish with Highlighted Fins, 4.250 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0625

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Estimated Ship Date: Oct 27, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24264B

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Estimated Ship Date: Oct 27, 2025 if ordered today

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

Part Number: HRI-CBK0098

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RM85, Kit

Part Number: HRI-CBK0103

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Part Number: HRI-CBK0105

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ450F, Kit

Part Number: HRI-CBK0110

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, LT-R450 QuadRacer, Kit

Part Number: HRI-CBK0112

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM700, YXR700F, Kit

Part Number: HRI-CBK0115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0118

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0124

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250X, Kit

Part Number: HRI-CBK0126

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Part Number: HRI-CBK0131

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Estimated Ship Date: Oct 17, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0140

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Part Number: HRI-CBK0150

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Estimated Ship Date: Oct 17, 2025 if ordered today

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

Part Number: HRI-CBK0179

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0186

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Estimated Ship Date: Oct 17, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0190

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0205

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Estimated Ship Date: Oct 17, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0207

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Estimated Ship Date: Oct 17, 2025 if ordered today

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