Engine Kits & Rotating Assemblies

Rebuild Kit, Complete Bottom End, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: HRI-CBK0096

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: HRI-CBK0157

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0171

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, YFZ450R, YFZ450X, Kit

Part Number: HRI-CBK0179

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0205

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

CYLINDER, CYL WORKS STD BORE KIT CRF450R

Part Number: CLW-10002-K02

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 11.10 to 1 Compression Ratio, Kit

Part Number: CLW-20004-K01HC

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K01

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS STD BORE KIT YAMAHA CYL WORKS STD BORE KIT YAMAHA 700 GRIZZLY/VIKING '14-15

Part Number: CLW-20104-K02

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS STD BORE KIT HI COMP CYL WORKS STD BORE KIT HI COMP 700 GRIZZLY/VIKING '14-15

Part Number: CLW-20104-K02HC

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

Top End Engine Kit STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-40004-K03

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rebuild, Cast Dish, 4 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351W, Kit

Part Number: FEM-MKP6116A-011

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Free Shipping
• Special Order

STD BORE KIT HI COMP

Part Number: CLW-20003-K02HC

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Free Shipping
• Special Order

CYL WORKS BIG BORE KIT YZ450F

Part Number: CLW-21005-K02

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 10.00 to 1 Compression Ratio, Kit

Part Number: CLW-10009-K01

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Free Shipping
• Special Order

Engine Gasket Sets

Part Number: NAL-98434770

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-82-86050

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-82-86060

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Cyl. Head Serv. Kit, Polaris®, RZR XP1000, 2014

Part Number: KPM-82-83220

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-82-86065

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-80-82060

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Cyl. Head Serv. Kit, Polaris®, RZR XP1000, 2015-2019

Part Number: KPM-82-83150

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-20-23850

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Cyl. Head Serv. Kit, Polaris®, RZR XP900, 2011-2012

Part Number: KPM-82-83230

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: KPM-82-86055

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order