HYDRAULIC ROLLER Perfect choice for strong idle lope and great power in 4.8 & 5.3L truck engines. No Springs Required (NSR) version of popular Thump lobe designs. AFM & VVT delete.
Basic Operating RPM Range
1,600-6,400
Intake Duration at 050 inch Lift
222
Exhaust Duration at 050 inch Lift
233
Duration at 050 inch Lift
222 int./233 exh.
Advertised Intake Duration
276
Advertised Exhaust Duration
295
Advertised Duration
276 int./295 exh.
Intake Valve Lift with Factory Rocker Arm Ratio
0.541 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio
0.536 in.
Valve Lift with Factory Rocker Arm Ratio
0.541 int./0.536 exh.
Lobe Separation (degrees)
112
Camshaft Gear Attachment
3-bolt
Remanufactured
No
Computer-Controlled Compatible
Yes
Valve Springs Required
No
Quantity
Sold individually.
Notes
Works with stock valve springs and stock torque converter.
