The Supertech valve spring kit for the BMW M50/M52/S50/S52 is a complete, matched
valvetrain package -- springs, retainers, and spring seat locators --
engineered to work together so installation is straightforward and
clearance issues are eliminated.
The dual valve spring set is built from premium Superclean spring
steel to control valve motion at high RPM, reduce valve float and
support aggressive cam profiles in the BMW Engines, and is matched with
titanium retainers.
KEY FEATURES
- Dual Valve Spring design
- Seat pressure: 67lbs @ 35.70mm
- Open pressure: 192lbs @ 10.00mm
- Spring rate: 12.50lbs/mm
- Max lift: 13.50mm
- Safe RPM: 8000
KEY FEATURES
- Dual Valve Spring design
- Seat pressure: 80lbs @ 35.70mm
- Open pressure: 195lbs @ 10.00mm
- Spring rate: 11.50lbs/mm
- Max lift: 12.70mm
- Safe RPM: 8000
KEY FEATURES
- Dual Valve Spring design
- Seat pressure: 94lbs @ 35.70mm
- Open pressure: 209lbs @ 10.00mm
- Spring rate: 11.50lbs/mm
- Max lift: 12.50mm
- Safe RPM: 8000
BMW M50/M52/S50/S52 Dual Spring Valve Spring kit by SuperTech