Has anyone used the Isky Special Processing valve springs? Will they work with my XR288HR hydraulic roller. .520/.540 .236/242@.050
Dual w/Damper
Outer OD/ID: 1.440/1.083
Inner OD/ID: .985/.730
Seat Pressure: 145 lbs @1.800
Open Pressure: 365 lbs @1.175
Rate Per Inch: 360
Coil Bind: 1.060
Max. Net Lift: .625
New valve springs
Moderator: Team
Re: New valve springs
Talk to us about what the engine is being used for? Rest of the story?
The Older I Get, The Dumber I Get 
-
wilson1970
- Member
- Posts: 171
- Joined: Sun May 14, 2017 3:29 pm
- Location:
Re: New valve springs
355 SBC zero deck, 10.5 compression, ..520/.540 lift 236/242@.050. Comp XR288HR Hydraulic roller, Sportman 11 heads with some port work, stud girdle, Rpm Air Gap intake, 750 HP carb