Beehive Spring Kit By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, By coupling these developments with strict KPMI design protocols and employing multiple design simulation and FEA analysis...

Exhaust Valve Guide Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and minimal port...

Intake Valve One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process provides resistance to corrosion; wears...

Valve Guide - Intake 20-21020C Precision-machined from high-quality cast iron for durability. Compatible with no-lead fuel, ensuring safety and efficiency. Accepts any type of valve-stem material for versatile applications. Manufactured...

Valve Guide - Intake Precision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.

Valve Guide - Intake 20-21022C Precision-machined from high-quality cast iron for durability. Compatible with no-lead fuel, ensuring eco-friendly performance. Accepts any type of valve-stem material for versatile applications. ...

Valve Guide - Exhaust Precision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.

Valve Guide - Exhaust 20-21031C Precision-machined from high-quality cast iron for durability Designed to withstand the rigors of high-performance engines Compatible with no-lead fuel for versatile use Accepts any type of valve-stem...

Valve Guide - Exhaust Precision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.

Beehive Spring Kit - M8 Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peened, Tight-tolerance, FEA-designed hardened steel Posi-Loc* style upper retainers to ensure correct assembly height and...

Intake Valve Guide All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.

Exhaust Valve Guide All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.

Valve Guide All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.

Retainer Set These retainers are intended as an OEM replacement and are completely compatible with the OEM springs, keepers, and shims

Spring Kit Kit includes 16 titanium retainers, 16 CrSi Valve Springs and 16 H.T. steel basewashers

Intake Valve Guide Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and minimal port...

Intake Valve Guide Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum bearing service and minimal port...

Single Spring Kit Extensive R&D on all applications to provide high-performance components that last longer than OEM, Black Diamond* valves are one-piece forgings made from 21-4N high-performance stainless steel, Trademarked Black Diamond treatment...

Intake Valve 40-41112 CNC machined from one-piece forgings of EV8 Stainless Steel Black Diamond* proprietary multi-stage process enhances performance Reduces friction for improved engine efficiency Superior resistance to corrosion and...

Valve Spring Kit Designed to out-perform and outlast the factory valve springs, Kit features lightweight, high-strength CrSi valve springs, H.T. steel base washers and titanium spring retainers, Complete kit, everything you need to for a complete valve...