Top End

Help reduce hot start issues and starter/battery loadsHave 5-7 Newtons of closing force resistanceCustom molded knobs ensure they stay cool to the touch and are easy to operateRequire an M10 x 1.00 threaded hole for installation

Help reduce hot start issues and starter/battery loadsHave 5-7 Newtons of closing force resistanceCustom molded knobs ensure they stay cool to the touch and are easy to operateRequire an M10 x 1.00 threaded hole for installation

Help reduce hot start issues and starter/battery loadsHave 5-7 Newtons of closing force resistanceCustom molded knobs ensure they stay cool to the touch and are easy to operateRequire an M10 x 1.00 threaded hole for installation

OE style replacement kitFeatures dual super clean chrome silicon springs; heat-treated steel base washers.415" liftIncludes steel retainersMade in the U.S.A.

OE style replacement kitFeatures dual super clean chrome silicon springs; heat-treated steel base washers.415" liftIncludes steel retainersMade in the U.S.A.

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

Precision-machined from C630Compatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve stemsFeature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

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 frictionThis process provides resistance to corrosion; wears superior to hard...

Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A.

Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A.

Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wearMade in the U.S.A.