• All Precision Machining, Inc. stainless steel valves are impregnated by a special German Process .002" deep & .0002" surface build up to improve wear properties and reduce friction
• This process provides resistance to corrosion and wear superior to that developed by hard chromium and electroless nickel plating
• These valves are light
• Profile provides excellent flow characteristics
• Stellite tipped
• Sold each
• Evolution Sportster 1100cc 1987 and 1200cc 1988/Later
• Intake ( Head Std 1.710". Stem .310". Overall Std 4.480")

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