Our performance valve springs are specifically
designed for cams with lifts up to .500 ". These springs have been tested through 10,000,000
cycles with a loss of less than 3 pounds, so they
can be expected to out perform the competition
with a lifetime of service.
- Seat Pressure @ installed height - 105# @ 1.700
- Open pressure height - 296# @ 1.20
- Avg. spring rate - 382#/in
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