Features

Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves and are black nitride coated, H.T. (Heat Treated) steel valve keepers and valve stem seals (where applicable) for engine applications listed
Black Diamond™ valves are one piece forged stainless steel that are fortified by a special German process to improve wear properties and reduce friction
White Diamond® valves are CNC machined from one-piece forging of either EV8 stainless steel or Inconel-751 and are hard chromed with 360° anode to produce a hard chrome finish
Compatible with leaded and unleaded fuels
Sold as complete kit for one engine
Made in the USA

Specs

Product Name	Engine Kit
Application	Intake / Exhaust
Collar Material	H.T. Steel
Material	Black Diamond™ Stainless
Head Diameter	Intake 1.840", Exhaust 1.615" / Intake 46.74 mm, Exhaust 41.02 mm
Stem Diameter	Intake 7.90 mm, Exhaust 7.90 mm / Intake 0.3100", Exhaust 0.3096"
Valve Seat Height	1.810"
Tulip Angle	Intake 23°, Exhaust 29°
Length	Intake 4.445", Exhaust 4.525"
Spring Seat Pressure	163 lb
Spring Open Pressure	361 lb
Spring Lift	0.600" / 0,600"
Units	Kit