Description
Black Diamond intake valve for Harley Davidson Sportster 1100cc 1987 and 1200cc 1988 – 2003.
- Intake Head Std 1.710 inch Stem .310 inch Overall Std 4.480 inch
- Precision Machining, Inc. stainless steel valves are impregnated by a special German Process .002 inch deep and .0002 inch 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 – 2003
