Kibblewhite Top-End Rebuild Kit with Black Diamond Valves for Honda CRF250R and CRF250X (30-33700)

Restore top-end performance with the Kibblewhite 30-33700 Top-End Rebuild Kit, designed for Honda CRF250R and CRF250X applications. This complete service and rebuild package combines Black Diamond valves, a performance piston assembly, racing valve springs, and the required gaskets and sealing components for a coordinated top-end upgrade. The included pistons, rings, piston pins, valves, and pin clips are engineered to work together as a system for dependable fit and performance.
The pistons are fully machined from durable 2618 aluminum alloy and feature a performance skirt coating to support smooth operation and reduced friction. The kit also includes piston rings and piston pins, providing the primary components needed to refresh the cylinder and piston assembly during a top-end rebuild. Kibblewhite components are selected for high-performance applications where strength, precise fit, and reliable operation are important.
The lightweight racing valve spring kit includes titanium valve spring retainers, dual springs, and high-tensile steel base washers. The springs are suitable for use with high-performance camshafts and help support dependable valve control in demanding riding and racing conditions. All necessary gaskets, seals, and O-rings are included to simplify installation and help ensure proper sealing throughout the rebuild.
This Kibblewhite 30-33700 kit is intended to be installed as a complete system and is not compatible with OEM components. Verify the motorcycle model and existing engine configuration before installation. Professional assembly and appropriate engine clearances are recommended for reliable results.

Features:

• Complete top-end service and rebuild kit for Honda CRF250R and CRF250X models

• Includes Black Diamond valves, pistons, piston rings, piston pins, gaskets, seals, O-rings, valve springs, retainers, and base washers

• Pistons are machined from 2618 aluminum alloy with a performance skirt coating

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

• Valve springs are suitable for high-performance camshaft applications

• Pistons, rings, valves, piston pins, and pin clips are designed to function together as a complete system

• Not compatible with OEM components

Ships from Parts Unlimited.