Engine Kits & Rotating Assemblies

Cyl. Head Serv. Kit, Yamaha®, Various 660's, 2001-2008

Part Number: KPM-80-82390

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, WR/ YZ 250F, 2001-2013

Part Number: KPM-80-82400

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, WR / YZ 250F/FX, 2014-2018

Part Number: KPM-80-82410

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Racing Spring Kit, Titanium, 0.430" Lift, Yamaha®, YXZ1000R, 2016-2023

Part Number: KPM-80-82900

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.430" Lift, Yamaha®, YXZ1000R, 2016-2023

Part Number: KPM-80-82950

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, Various 450'S, 2006-2020

Part Number: KPM-80-82060

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, YZ 450F/FX, 2014-2019

Part Number: KPM-80-82070

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Yamaha®, Various 700'S, 2006-2020

Part Number: KPM-80-82080

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Kawasaki®, KX 450F , 2009-2015

Part Number: KPM-40-41470

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Kawasaki®, KX 450F , 2016

Part Number: KPM-40-41480

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit, Kawasaki®, KX250F, 2009-2016

Part Number: KPM-40-41520

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.630" Lift, Harley-Davidson®, Milwaukee-Eight, 2017-'24

Part Number: KPM-20-23850

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86060

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 4 cyl., 2020-2023

Part Number: KPM-82-86065

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cyl. Head Serv. Kit (89mm Bore), KTM®, RFS's 450-560cc, 2000-2009

Part Number: KPM-96-96560

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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-WR101-010

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Estimated Ship Date: Oct 20, 2025 if ordered today

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PISTON, 2011-2025

Part Number: MOP-68090672AA

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Estimated Ship Date: Oct 23, 2025 if ordered today

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PISTON, 2011-2025

Part Number: MOP-68090673AA

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Estimated Ship Date: Oct 23, 2025 if ordered today

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STANDARD BORE CYLINDER KIT

Part Number: CLW-30006-K02

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 10.50 to 1 Compression Ratio, Kit

Part Number: CLW-10003-K01

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Estimated Ship Date: Oct 31, 2025 if ordered today

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PISTON KIT HONDA

Part Number: CPD-M2012

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Estimated Ship Date: Oct 22, 2025 if ordered today

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RERING KIT

Part Number: FEM-205-6378M211

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Estimated Ship Date: Tomorrow if ordered today

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OVERHAUL KIT W/O PISTONS

Part Number: FEM-2056378M-411

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Estimated Ship Date: Tomorrow if ordered today

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RE-RING KIT PRM. RINGS & MAINS

Part Number: FEM-205718M-000

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Estimated Ship Date: Tomorrow if ordered today

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Engine Rebuild, Cast Dish, 4.000 in. Bore, Standard Rod, Standard Main, Ford 1983-87, 351W, Kit

Part Number: FEM-EMKP261A-000

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Estimated Ship Date: Oct 22, 2025 if ordered today

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