42mm Stainless Oversize Intake Valve Hyd Lifter 8V (Audi 10v)

Description

Oversize Stainless Steel EV8 (21-4N), 42mm intake valve with 7mm stem necked down to 6.5mm for hyd lifter Mk1 ’88-’93, ’85-’92 1.8L and ’93-up 2.0L Crossflow heads. Higher flow than std. valve. Black nitride treatment reduces friction, improves heat dissipation and Valve guide wear. (use intake seat 109.160)(To convert 8mm head to 7mm. Parts needed 109 221 intake valve guide, 109 290 7mm keepers, 109 085 (5 cyl 109 0855) 109 (109 136 (5 cyl 109 1365) Titanium) upper retainers, 109 321 intake seals) 109111