Part Number
9995
Special Price $475.43 Regular Price $500.45
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In stock
Estimated Ship Date: 1 Business Day or Less
The Precision 9900 Series "Gold Stripe" Tool Room Racing Value Springs by Isky. Theyre the worlds only endurance test-certified racing valve springs, guaranteed "One of the Thousand", alumni of the grueling 1,000 mile Spintron endurance test, where two complete tests are run with a zero failure tolerance. No breakage and no excessive load loss are permitted, because its pass or fail for Tool Room Springs. We test every batch of every part number we produce. We refer to them as The Worlds Finest Racing Valve Springs - because without a doubt whatsoever, they most certainly are!
BRAND: Isky Racing Cams
FEATURES:
- Tool Roomâ„¢ Racing Valve Spring; Dual w/Damper; Outer OD/ID 1.570/1.145in.; Inner OD/ID 1.035/0.740in.; Seat Pres. 250lbs at 2.030in.; Open Pres. 625lbs at 1.300 in.;
- Worlds Only Endurance Test Certified Racing Valve Spring
- For Roller Cam; Rate Per Inch 510; Coil Bind 1.200; Max Net Lift 0.730 in.;
- No Breakage Or No Excessive Load Loss Are Permitted
- Tool Roomâ„¢ Racing Valve Spring
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