2012 Engine Kits & Rotating Assemblies

Rebuild Kit, Complete Bottom End, for use on Honda®, TRX450R, TRX450ER, Kit

Part Number: HRI-CBK0106

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Kit, Forged Piston, 4.00mm Oversize Bore, KTM, 12.80 to 1 Compression Ratio, Kit

Part Number: CLW-50002-K01

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, Kit

Part Number: HRI-CBK0006

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, YFZ450, Set

Part Number: CLW-23001-K01

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: CLW-20001-K01

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: VPX-WR101-056

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Estimated Ship Date: Feb 25, 2026 if ordered today

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2MM BIG BORE CYLINDER KIT

Part Number: CLW-31011-K01

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

Part Number: CLW-20104-K01

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 11.70 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR101-178

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0192

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Estimated Ship Date: Feb 16, 2026 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: Feb 24, 2026 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 94mm Bore, Arctic Cat, Kawasaki, Suzuki, ATV, Motorcycle, Kit

Part Number: CLW-41001-K01

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Estimated Ship Date: Feb 24, 2026 if ordered today

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STD BORE KIT

Part Number: CLW-50005-K01

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 96mm Bore, for use on Honda®, Motorcycle, Kit

Part Number: CLW-10006-K01

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Estimated Ship Date: Feb 24, 2026 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: Feb 24, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-VTKTC23908A

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Estimated Ship Date: Feb 25, 2026 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: Feb 16, 2026 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0145

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Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0061

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 144 SX, 150 SX, 150 XC, Kit

Part Number: HRI-CBK0063

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Estimated Ship Date: Feb 16, 2026 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: Feb 16, 2026 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: Feb 16, 2026 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: Feb 16, 2026 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: Feb 16, 2026 if ordered today

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