Supertech High Performance Exhaust Valves (S54)
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
COLLET TYPE: Single Groove