2012 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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Estimated Ship Date: Monday 9/29/2025

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Cylinder Kit, Forged Aluminum, Standard Bore, for use on Honda®, Set

Part Number: CLW-10005-K01

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Estimated Ship Date: Oct 21, 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: Oct 21, 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: Oct 21, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, 3.20mm Oversize Bore, for use on Honda®, Set

Part Number: CLW-11007-K01

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Estimated Ship Date: Oct 21, 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: Oct 21, 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: Oct 21, 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: Oct 21, 2025 if ordered today

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STD BORE KIT HI COMP

Part Number: CLW-20002-K03HC

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Cylinder Kit, Forged Aluminum, Standard Bore, Yamaha, YFM700R, Set

Part Number: CLW-20004-K01

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 98mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21003-K01

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Kawasaki, 8.80 to 1 Compression Ratio, Front, Kit

Part Number: CLW-30007-K01

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Kawasaki, 8.80 to 1 Compression Ratio, Rear, Kit

Part Number: CLW-30008-K01

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Estimated Ship Date: Oct 21, 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: Oct 21, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX100, Kit

Part Number: HRI-CBK0102

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 85 SX, Kit

Part Number: HRI-CBK0107

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM700, YFM700R, Kit

Part Number: HRI-CBK0114

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250R, Kit

Part Number: HRI-CBK0128

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0129

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0139

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Estimated Ship Date: Oct 13, 2025 if ordered today

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

Part Number: HRI-CBK0157

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RMZ250, Kit

Part Number: HRI-CBK0173

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0193

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, Kit

Part Number: HRI-CBK0224

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Estimated Ship Date: Oct 13, 2025 if ordered today

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