Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 416 Cid., 4.070 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4007021

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Estimated Ship Date: Tomorrow

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00109

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Estimated Ship Date: Nov 24, 2025 if ordered today

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CYLINDER, STANDARD BORE KIT HI COMP POLARIS

Part Number: CLW-60004-K01HC

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Estimated Ship Date: Dec 2, 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: Dec 2, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: CLW-60001-K01HC

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Garage Buddy Engine Rebuild, Bashee

Part Number: WIS-PWR100-655

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Garage Buddy Engine Rebuild, Banshee

Part Number: WIS-PWR100-660

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Estimated Ship Date: Dec 3, 2025 if ordered today

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S&S Cycle 84-99 BT w/ Stock Heads 3-1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-910-0179

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Estimated Ship Date: Dec 1, 2025 if ordered today

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S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

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Estimated Ship Date: Dec 1, 2025 if ordered today

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PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

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Estimated Ship Date: Dec 1, 2025 if ordered today

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BIG BORE KIT

Part Number: CLW-61002-K02

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Estimated Ship Date: Dec 2, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00120

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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Estimated Ship Date: Nov 24, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: Nov 24, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.80 to 1 Compression, KTM, Kit

Part Number: VPX-WR00031

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Estimated Ship Date: Dec 1, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00035

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.00 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR00061

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Estimated Ship Date: Dec 1, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-184

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Estimated Ship Date: Dec 1, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-185

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-135

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Estimated Ship Date: Dec 1, 2025 if ordered today

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