As low as $165.01/mo with or . (Pay in 4 interest-free payments)
KIBBLEWHITE Top End Service Kit (Black Diamond™ Valves) for Honda CRF450R Engine rebuild made simple with the KIBBLEWHITE Top End Service Kit featuring Black Diamond™ valves and a complete piston kit. Built for off-road performance, this comprehensive package includes everything needed to service or rebuild your CRF450R top end—without guesswork. What’s Included Black Diamond™ stainless valves Pistons machined from 2618 aluminum alloy with performance skirt coating Piston rings, piston pins, and pin clips Lightweight racing valve spring kit with titanium retainers, dual springs, and H.T. steel base washers All required gaskets, seals, and O-rings Performance Built In The racing spring setup uses spring rates designed for high-performance cams. Pistons, rings, valves, and clips are engineered to work together as a matched system for reliable operation and consistent performance. Specifications Highlights Application: Intake & Exhaust Intake Spring Open Pressure: 147 lb | Seat: 40 lb Exhaust Spring Open Pressure: 203 lb | Seat: 70 lb Valve Seat Height: Intake 1.215" | Exhaust 1.365" Collar Material: Titanium Spring Lift: 0.440" Note: Not compatible with OEM components. Product: Top End Kit | Weight: 1.86 lbs | Units: Kit
Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
All necessary gaskets, seals and O-rings included
The pistons, rings,valve and pin clips are designed to work togethere as a system.
or 
. (Pay in 4 interest-free payments)
