Clutch › H5 ALLOY CLUTCH SPRING BLACK 140-335 Image 1 of 1 H5 ALLOY CLUTCH SPRING BLACK 140-335 $54.95 Sold Out Most OEM springs lose their spring rate over time and goes unnoticed reducing your engine rpms and performanceThese H5 alloy springs are high quality springs with the same performance of titanium springs at a fraction of the costNo rate loss over time which maintains efficient clutching for a better performing and more consistent springNew material has a 30,000 to 40,000 PSI higher tensile strength than standard chrome-silicone springsPowder coated finish with part # and rate printed on springDirect OEM replacement and custom spring rates for turbo, nitrous, big bore applicationsUsed by Tucker Hibbert for over 15 years Sold Out Added! Most OEM springs lose their spring rate over time and goes unnoticed reducing your engine rpms and performanceThese H5 alloy springs are high quality springs with the same performance of titanium springs at a fraction of the costNo rate loss over time which maintains efficient clutching for a better performing and more consistent springNew material has a 30,000 to 40,000 PSI higher tensile strength than standard chrome-silicone springsPowder coated finish with part # and rate printed on springDirect OEM replacement and custom spring rates for turbo, nitrous, big bore applicationsUsed by Tucker Hibbert for over 15 years