Kibblewhite Top End Rebuild Kit with Black Diamond Valves and Piston Kit for Honda CRF450R (30-33100)

Refresh the top end of your Honda CRF450R with the Kibblewhite 30-33100 Top End Kit. This complete service and rebuild package combines precision-machined pistons, piston rings, piston pins, Black Diamond™ valves, valve springs, retainers, base washers, and the required gaskets, seals, and O-rings. The components are engineered to function together as a matched system for a reliable, performance-focused top-end rebuild.
The pistons are machined from durable 2618 aluminum alloy and feature a performance skirt coating designed to support smooth operation and reduced friction. The included piston rings, pins, and clips are selected to work with the piston design, helping simplify component matching during assembly. Black Diamond valves provide a durable upgrade for demanding riding and racing applications.
The lightweight racing valve spring kit includes titanium valve spring retainers, dual valve springs, and high-tensile steel base washers. The springs are suitable for use with high-performance camshafts, making this kit a practical choice for riders and builders seeking dependable valvetrain control at elevated engine speeds. All necessary gaskets, seals, and O-rings are included for a comprehensive top-end service.
This Kibblewhite kit is designed for the Honda CRF450R and is not compatible with OEM components. Verify motorcycle year, engine configuration, and application requirements before installation to ensure proper fitment and assembly.

Features:

• Complete top-end service and rebuild kit for Honda CRF450R

• Includes pistons, piston rings, piston pins, piston clips, gaskets, valves, valve springs, seals, and O-rings

• Pistons machined from 2618 aluminum alloy with performance skirt coating

• Black Diamond™ valves designed for demanding performance applications

• Lightweight racing valve spring kit with titanium retainers, dual springs, and high-tensile steel base washers

• Valve springs suitable for use with high-performance camshafts

• Matched piston, ring, valve, and pin clip system

• Not compatible with OEM components

Ships from Parts Unlimited.