Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR409035

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Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 6.0L, 6.2L, Kit

Part Number: SUM-CR3658125

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Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR3624125

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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: Sep 22, 2025 if ordered today

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S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Natural

Part Number: SSY-91-7207

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Estimated Ship Date: Sep 19, 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: Sep 22, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00121

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Estimated Ship Date: Sep 11, 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: Sep 19, 2025 if ordered today

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HD OVERHAUL KIT

Part Number: CLE-4861004STD

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Estimated Ship Date: Oct 9, 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: Sep 22, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: Sep 11, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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Estimated Ship Date: Sep 11, 2025 if ordered today

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HD IN-FRAME KIT, STD

Part Number: CLE-4595021STD

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Estimated Ship Date: Oct 9, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-077

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Estimated Ship Date: Sep 22, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-141

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Estimated Ship Date: Sep 22, 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-WR00030

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR00063

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 10.20 to 1 Compression, Polaris, Kit

Part Number: VPX-WR101-057

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Estimated Ship Date: Sep 22, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00106

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Estimated Ship Date: Sep 12, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Sep 12, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: Sep 12, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00123

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Estimated Ship Date: Sep 12, 2025 if ordered today

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