Supertech high performance intake valves for the BMW S54 engine. Precision-made stainless steel, black nitrided 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: 35mm(std)/36mm(+1)

STEM DIA: 5.97mm

LENGTH: 117.5mm

MATERIAL: Stainless Steel, Black Nitrided

COLLET TYPE: Single Groove