Spdwrx H5 Primary Spring S/M 170-260

Spdwrx H5 Primary Spring S/M 170-260

Features:

• Most OEM springs lose their spring rate over time and goes unnoticed reducing your engine rpms and performance
• These H5 alloy springs are high quality springs with the same performance of titanium springs at a fraction of the cost
• No rate loss over time which maintains efficient clutching for a better performing and more consistent spring
• New material has a 30,000 to 40,000 PSI higher tensile strength than standard chrome-silicone springs
• Powder coated finish with part # and rate printed on spring
• Direct OEM replacement and custom spring rates for turbo, nitrous, big bore applications
• Used by Tucker Hibbert for over 15 years