Kibblewhite Top End Kit with Black Diamond Valves and Piston Kit for Honda CRF450X (30-32900)

Restore and upgrade the top end of your Honda CRF450X with the Kibblewhite 30-32900 Top End Kit. Designed as a complete service and rebuild solution, this kit combines performance pistons, piston rings, piston pins, Black Diamond™ valves, valve springs, retainers, gaskets, seals, O-rings, and valve pin clips. The components are engineered to function together as a matched system for dependable installation and high-performance engine service.
The pistons are precision-machined from durable 2618 aluminum alloy and feature a performance skirt coating to support smooth operation and reduced friction. The included piston rings, pins, and clips are selected to work with the piston design, helping provide a properly matched top-end assembly. Black Diamond™ valves deliver a durable valve solution 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 and are designed to support reliable valve control under demanding engine speeds. All necessary gaskets, seals, and O-rings are included to help simplify the rebuilding process and support proper sealing throughout the top end.
This Kibblewhite 30-32900 kit is intended for the Honda CRF450X and is not compatible with OEM components. Verify vehicle fitment and application requirements before installation. Professional installation is recommended to ensure correct clearances, valve-train setup, and engine assembly.

Features:

• Complete top-end service and rebuild kit with pistons, rings, pins, valves, springs, gaskets, seals, O-rings, and valve pin clips

• 2618 aluminum alloy pistons with performance skirt coating

• Black Diamond™ valves designed for high-performance engine 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, pin, and clip components designed to work together as a system

• Not compatible with OEM components

• Fits Honda CRF450X applications

Ships from Parts Unlimited.