Kibblewhite Precision Machining, Inc.: Manufacturing and engineering quality valvetrain components for the racing winner's circle since 1936. KPMI proudly builds parts for Harley Davidson's, Sport Bikes, Dirt Bikes, ATV/UTV's, Tourers, Cruisers, Customs and Classics.
Kibblewhite Precision Machining, Inc. wants to be your primary source for all your valvetrain needs. KPMI prides itself in engineering valvetrain that will outlast all others. Count on KPMI's titanium, stainless steel and Inconel ® valves to have unique profiles for improved flow-rates, and to be stronger, lighter and more durable for the most demanding conditions. Combine KPMI's valves with a complete lightweight titanium valve spring kit, cast or bronze guides, and cast or bronze valve seats, for a complete system designed for your stock replacement or racing needs.