Engine Kits & Rotating Assemblies

BOTTOM END KIT

Part Number: HRI-HR00234

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Kaw ZX6R 03-5 4v Domed 12.9:1

Part Number: WIS-CK175

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

BOTTOM END KIT

Part Number: WIS-WPC168

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0171

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0061

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STD BORE KIT

Part Number: CLW-10007-K01

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20002-K01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CYL WORKS STD BORE KIT YZ450F

Part Number: CLW-20005-K02

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Standard Bore Cylinder Kit, Forged Piston, 77mm Bore, Kawasaki, Motorcycle, Kit

Part Number: CLW-30001-K02

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0017

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, Suzuki, LT250R Quadracer, Kit

Part Number: HRI-CBK0065

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0086

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0097

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Top End Engine Kits CYL WORKS STD BORE KIT POLARIS CYL WORKS STD BORE KIT POLARIS 800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002-K01

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: CLW-10005-K01

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Kit, Forged Aluminum, Standard Bore, Kawasaki, KX250F, Set

Part Number: CLW-30006-K01

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

STANDARD BORE CYLINDER KIT

Part Number: CLW-30011-K01

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00011

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, for use on Honda®, Kit

Part Number: VPX-WR101-014

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-049

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: VPX-WR101-052

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-110

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: VPX-WR101-117

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-163

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-069

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order