Valve Spring Set Ultimate Performance and Race High RPM Lift Up to 13mm All 4 Cyl
INSTALLED HEIGHT SHOULD BE CHECKED AND ADJUSTED AS NECESSARY.
Our race engines have used these custom manufactured springs for over 4 years. These VSS13 springs work well at high RPM with both performance and race cams up to 13mm lift.
These high rev ultimate performance silicone chrome valve springs help prevent valve float and improve power in race and street high-performance engines to 8000+ rpm and beyond..