A friend has a hyd roller cam he would like to id to use in a 350 chev build. HR 276 25 12, supposed to be a hyd roller which I figure the HR is for but can any one help with the rest?
Advertised Duration 276 INT./284 EXH. Basic Operating RPM Range 2,000-5,500 Cam Style HYDRAULIC ROLLER TAPPET Duration at 050 inch Lift 214 INT./222 EXH. Exhaust Duration at 050 inch Lift 222 Exhaust Valve Lash 0.000 IN. Exhaust Valve Lift with Factory Rocker Arm Ratio 0.509 IN. Grind Number HR-276-2S-12 IG Intake Duration at 050 inch Lift 214 Intake Valve Lash 0.000 IN. Intake Valve Lift with Factory Rocker Arm Ratio 0.488 IN. Lobe Separation (degrees) 112 Notes REQUIRES CAM BUTTON SPACER. ALUMINUM-BRONZE DISTRIBUTOR DRIVE GEAR NOT REQUIRED. Quantity SOLD INDIVIDUALLY. Valve Lift with Factory Rocker Arm Ratio 0.488 INT./0.509 EXH. LIFT https://autoplicity.com/423494-crane-cams-hr-276-2s-12-ig-cam Looks like the "5" is an "S" Mike