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Isky Racing Cams Tool Room "Gold Stripe" Roller Valve Springs
Certified reliable over 1000 racing miles, every part number, ever batch. Manufactured from super clean high-alloy wire using precision winding for accurate pitch control and absolute concentric diameters. Ends are precision ground flat and parallel. 100% full coverage shot-peened significantly improves surface conditioning. Full-disclosure test certification is furnished with each set.
Part Type: "Gold Stripe" Roller Valve Springs
Style: Tool Room
Type: Dual with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.560"
Outer Spring In Side Diameter (I.D.): 1.145"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): .740"
Seat Pressure: 245 @ 2.000"
Open Pressure: 600 @ 1.300"
Valve Spring Rate: 500
Maximum Suggested Lift: .700"
Coil Bind: 1.200"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: NA
Suggested Titanium Retainers: 3450
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: Isky Racing Cams
Manufacturer's Part Number: 9985
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16
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