Kawasaki KX 450 Main Bearing & Seal Kit - Hot Rods - High-speed C3 rated bearings - `06-`07. A direct-fit rebuild kit for 2006–2007 KX450F engines, designed to replace worn main bearings and seals with high-quality Hot Rods components.

This kit contains the main bearings and crank seals engineered to meet or exceed OEM specifications for fit and durability. Hot Rods bearings are high-speed C3 rated to provide the necessary internal clearance for performance applications and cooling at race RPM. The seals are sized for a proper crank and case interface to help prevent leaks after installation. Ideal for riders rebuilding or refreshing a KX450F who want a cost-effective alternative to OE parts without sacrificing reliability.

Features

• Direct-fit for 2006–2007 Kawasaki KX450F (KX 450) main bearings and seals
• High-speed C3 rated bearings for correct internal clearance under load
• Meets or exceeds OEM specifications for size and tolerances
• Includes crank seals matched to bearing dimensions
• Cost-effective replacement option from Hot Rods

If you have questions about fitment, installation, or compatibility with modified engines, call us directly — our techs can help. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to speak with a specialist or schedule service. If you are considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov