Supertech Double valve spring kit for Opel Vauxhall C20XE C20LET

Description Supertech valve spring kit SPRK-TS1012-C20 Dual valve spring kit Opel 36,29kg/33,50mm (80 @ 33,50) Dual valve spring kit 36,29kg/33,50mm / SPR-TS1012 SEAT-TS15-LS-IN (no retainers: use OEM) 16 items With the help of Supertech valve springs & titanium valve spring retainers, higher RPM’s can be run. It also eliminates valve flutter at high RPM’s. At high RPM’s, the rocker arms can break and the valve springs can jam. This can lead to engine damage! The Supertech valve springs have an extra adjusted spring rate. Advantages: The valve train becomes lighter thanks to the titanium valve spring retainers The motor revs up faster Higher motor RPM’s can be run The valve train becomes more stable during power increases We recommend our Supertech black nitrided intake valves and Inconel exhaust valves with all Supertech valve spring kits. Likewise, we offer the full range of Supertech: Valve keepers, mechanical tappets (rigid tappets) with matching shims and forged pistons. Make: Opel Fits: Opel / Vauxhall C20XE Outer spring external diameter: 27,50mm Outer spring internal diameter: 20,00mm Inner spring external diameter: 20,00mm Inner spring internal diameter: 15,20mm Pressure valve seat: 36,29kg/33,50mm Pressure seat: 85,28kg/10mm Max. lift: 13,90mm Coil bind (under stress): 19,60mm Rate in lbs./mm: 11,80 retainers: RET-OEM Seat locator: SEAT-TS15-LS-IN Supertech’s valve springs are made of an extreme pure chrome-silicon-vanadium-steel alloy to assure a very good durability for performance motors with high revolutions. They are developed with the use of computer simulations to prevent material fatigue under extreme conditions. The holder are made of a certified titanium alloy and CNC milled for the perfect fit to provide a long durability.