This Supertech black-nitrided intake valve is a +1mm oversize single for Opel/Vauxhall C20XE and C20LET applications. Supplied for intake-side replacement during cylinder head service, the nitrided surface and oversize dimension support seat reconditioning and restore proper valve-to-seat contact after machining or repair.
Supertech Opel/Vauxhall C20XE/C20LET Black Nitrided Intake Valve - +1mm OS - Single (D/S Only)