Only 1 left in stock
TOP QUALITY KIBBLEWHITE BLACK DIAMOND EXHAUST VALVES FOR BSA A65 650 TWINS 1966-72 INCLUDING LIGHTNING, THUNDERBOLT, HORNET, SPITFIRE, FIREBIRD, ETC.
SOLD AS PAIR WITH STANDARD HEAD.
All KPMI Black Diamond™ stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond® Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.
STANDARD SPECS- HEAD DIAMETER- 35.81MM / 1.410″ , STEM DIAMETER 7.9MM / 0.3105″, TULIP- 25º, OVERALL LENGTH 3.555″
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