Lingenfelter LS7 Double Valve Spring kit designed for 0.700+ valve lift LS7 engines
Premium wire double valve springs with titanium retainers, seals, locks and spring seats
SpinTron tested to over 8,000 RPM with LPE GT21 camshaft factory, LS7 valves, OEM LS7 rockers & lifters
165 lbs at 1.800 inch
521 lbs at 1.100 inch
Rate 500 lbs
Coil bind 1.025 inch
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