BMW M3 E36 S50B30 - S50B32

Double valve spring for:
- BMW E36 M3 engine S50B30 & S50B32 (double-vanos) 
High recommended for high revs and high performance engines. 

Kit include 48 valves springs.

Installed spring: 35mm
Valve lift: 13mm
Hardeness: 100 kp