Isky Endurance Plus Valve Springs
Part # 8005PLUS
Specs:
- Style: Dual w/Damper
- Outer OD/ID: 1.530/1.110
- Inner OD/ID: 1.005/.730
- Seat Pressure: 140 Lbs @1.875
- Open Pressure: 400 Lbs @1.275
- Rate Per Inch: 420
- Coil Bind: 1.160
- Max. Net Lift: .650
- Type of Cam: Solid
The Endurance Plus series of valve springs from Isky Racing Cams utilizes a specially
processed Tool Room Material outer spring for increased
endurance/reliability. Endurance Plus springs are
designed for late models, modifieds, etc., and are Spintron Test-Proven
up to 8400 rpm for 850 racing miles.
