Supertech 80lb Dual Valve Springs Set of 16 F20C F22C S2000 RSX Type S K20A2 K20Z1 K24A2 K24A4 K24Z

All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs.
 
Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. This combined with our high quality steel alloy enables supertech valve springs to be more durable in extreme conditions, giving your performance racing engine a serious competitive advantage in both performance and durability. 

Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Our high quality retainers are among the best in the industry. 


Dual Valve Spring
TYPE: Dual Spring
OUTSPR.OD: 30mm
OUTSPR.ID: 21.8mm
INNSPR.OD: 21mm
INNSPR.ID: 15.5mm
PRESS.SEAT: 80 @ 40.4
PRESS.OPEN: 215 @ 12
MAX LIFT: 18.30mm
COIL BIND: 22.00mm
RATE: 11.2mm