Supertech high performance exhaust valves for the BMW S54 engine. Precision-made inconel valve set – priced per engine set of 12. These valves have a single collet groove, designed for use with KPR-6S/7 single groove valve collets. Also ideal for use with Supertech High Performance Valve Springs and KED DLC Cam Followers.

+1mm oversize is not recommended for use with Vanos.

HEAD DIA: 30.5mm(std)/31.5mm(+1)

STEM DIA: 5.95mm

LENGTH: 119.1mm

MATERIAL: Inconel

COLLET TYPE: Single Groove