Supertech Beehive Valve Spring and Titanium Retainer Kit for 2007-2013 BMW M3 (E92) S65 32v 4.0L V8 Engines
Set of 32 Beehive Valve Springs, 32 Titanium Retainers & Seats
SPRK-BMS65-BE1
Type: Beehive Spring
Press.Seat: 77lbs @ 40.10mm
Max Lift: 12.20mm
Coil Bind: 27mm
Rate: 10.30mm
Retainer: RET-BMS65-BE1
Spring: SPR-BMS65-BE1
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. All Supertech valve springs are made with premium super clean 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, giving your performance racing engine a serious competitive advantage.
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.