Engine Kits & Rotating Assemblies

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L08012

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Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

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Pro LS 4340 Piston and Rod Kit, 376 Cid., 4.065 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L06512

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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: Jul 29, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-161

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

Part Number: VPX-WR101-162

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-175

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-185

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Complete Engine Rebuild Kit, 1.50mm Over Bore, Stock Stroke, Yamaha, Kit

Part Number: VPX-WR101-206

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Complete Engine Rebuild Kit, 0.50mm Over Bore, Stock Stroke, 9.10 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-211

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00028

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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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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-141

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

Part Number: VPX-WR101-143

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

Part Number: VPX-WR101-057

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

Part Number: VPX-WR101-077

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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: Jul 28, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-031

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BOTTOM END KIT Polaris

Part Number: HRI-HR00119

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Estimated Ship Date: Jul 21, 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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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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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.20 to 1 Compression, Yamaha, Kit

Part Number: VPX-WR101-135

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

Part Number: VPX-WR101-136

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 12.50 to 1 Compression, Kawasaki, Kit

Part Number: VPX-WR101-144

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