33mm Exhaust Valve Solid lifter 8V (Audi 10v) (7mm stem)

Description

Stainless exhaust valve 33mm, 7mm stem necked down to 6.5mm for Solid lifter 1.8L 8v head (Intake Valve length 98.60mm, Exhaust length 98.40mm). 10 grams lighter than stock. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear.(To convert 8mm head to 7mm. Parts needed 109 222 exhaust valve guide, 109 290 7mm keepers, 109 085(5 cyl 109 0855) (109 136 (5 cyl 109 1365 Titanium) upper retainers, 109 322 exhaust seals)