Supertech BMW S42 / M42 / M50 / S50 / M52 / M54

BMW M50 Supertech High Performance valve spring set including titanium spring retainer

Made in USA

An absolute must for every engine that needs to be stable and stable in the range from 5000 rpm to 9000 rpm.
The valve train is enormously strengthened and at the same time made easier by the titanium spring retainers.
Faster and better response, as the valve train is lighter.

Technical data:
Outer spring outer diameter: 29.65mm
Outer spring inner diameter: 21.85mm
Inner spring outer diameter: 20.50mm
Inner spring inner diameter: 15.50mm
Valve seat pressure: 36.29kg/35.70mm
Open pressure: 88.45kg/10mm
Max. Stroke: 14.50mm
Min. spring height (when compressed): 20.70mm
Spring rate in lbs./mm: 11.50
Valve spring retainer: RET-AU5VE/T1 +

The Supertech valve spring set consists of:
12 double springs exhaust
12 double springs intake
24 spring plates top made of titanium
24 spring plates bottom made of steel

Fits all:
2.0L 24v - M52B20
3.0L 24v - M54B30
2.5L 24v - M50B25TU
2.5L 24v - M50B25
3.0L 24v - S50B30US
2.8L 24v - M52B28
2.5L 24v - M52B25