Kibblewhite

By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI has developed ovate wire Beehive st...

By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI has developed ovate wire Beehive st...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

* KPMI Compression Release valves are state of the art and priced competitively * Designed to reduce "hot start" issues and starter / battery loads...

* KPMI Compression Release valves are state of the art and priced competitively * Designed to reduce "hot start" issues and starter / battery loads...

* KPMI Compression Release valves are state of the art and priced competitively * Designed to reduce "hot start" issues and starter / battery loads...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

Manganese bronze valve guides are popular in high-performance and racing engines because they offer superior wear resistance, high-temperature stre...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

In an effort to develop valve seats that would meet our exacting standards, KPMI® tested and chemically separated several iron based valve seats. E...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

KPMI cylinder alignment dowels are machined from steel and receive a black oxide surface treatment. OEM Cylinder Alignment Dowels are often galled ...

Designed for the Harley-Davidson® Milwaukee-Eight engine, this dowel can also serve as a multi-purpose alignment pin. Our dowel incorporates OEM el...

KPMI cylinder alignment dowels are machined from steel and receive a black oxide surface treatment. OEM Cylinder Alignment Dowels are often galled ...

KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets...

KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets...

KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets...

KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets...

KPMI offers a Premium Rocker Tower Solution * Nuts are machined from billet high tensile steel and heat treated * Studs are heat treated 180,000 PS...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Manganese bronze valve guides are popular in high-performance and racing engines because they offer superior wear resistance, high-temperature stre...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

In an effort to develop valve seats that would meet our exacting standards, KPMI® tested and chemically separated several iron based valve seats. E...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

White Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics. We fully CNC machine our Whit...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

Made from high quality bearing bronze with good hardness, strength, wear resistance, and excellent antifriction qualities. These bushings come 2 to...

KPMI Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI Red valve stem seal...

Oversize Exhaust Valve Guide- Manganese. Fits Twin Cam 2005-17 & Sportster 2005-2021. +.001in. Outside Diameter

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Manganese bronze valve guides are popular in high-performance and racing engines because they offer superior wear resistance, high-temperature stre...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...