Superclean Chrome Silicon Vanadium Steel Alloy Springs

The Supertech SPRK-V1107D-7 is a dual valve spring kit engineered for high-performance engines. It is precision-matched as a set to provide a complete valvetrain overhaul for enthusiasts seeking top-tier performance and reliability. The springs have undergone a gas nitriding process followed by shot peening to improve their fatigue life. Key specifications include a maximum lift of 15.00mm, seat pressure of 92 @ 39.75, and open pressure of 200 @ 10. The kit also features a coil bind specification of 22.00mm and a rate of 11.17. This kit includes 8 springs, 8 retainers (model RET-021), and 8 seat locators (model SEAT-VW8V-1). It is compatible with various Volkswagen 1.8L and 2.0L 8V engines. Applications include the 1983+ Volkswagen Fox, Passat, Golf, and Jetta, as well as the 1989-1993 Volkswagen Golf Cabriolet and Corrado. Due to the nature of performance applications, these parts are sold without any express warranty or any implied warranty of merchantability or fitness for a particular purpose.