Note: For 90-99 models

Custom and stock applications

Shorter opening duration increases spark intensity by 60%

Complete single disc brake set-up

Square grooves efficiently drain water for more safety in wet conditions

KPMI, BLACK DIAMOND VALVE, INTAKE. STD Rostfria skruv och muttrar Note: For 90-99 modelsStandard size replacement. Dimensions: 1. 950" head dia. x 0. 3765" stem dia. x 3. 885" Overall length. KPMI valves are manufactured in the U. S. A. by a dedicated staff and personnel with hands on experience in stock and high performance. Quality materials and the latest CNC and 3 D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All Black Diamond valves are one piece