No Springs Required (NSR) Stage 1 Grind for 5.7L Gen. IV Hemi. Great mid-range torque with excellent power. Perfect for heavier vehicles, has great throttle response.
Basic Operating RPM Range
1,700-6,500
Intake Duration at 050 inch Lift
216
Exhaust Duration at 050 inch Lift
222
Duration at 050 inch Lift
216 int./222 exh.
Advertised Intake Duration
269
Advertised Exhaust Duration
271
Advertised Duration
269 int./271 exh.
Intake Valve Lift with Factory Rocker Arm Ratio
0.520 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio
0.515 in.
Valve Lift with Factory Rocker Arm Ratio
0.520 int./0.515 exh.
Lobe Separation (degrees)
114
Remanufactured
No
Computer-Controlled Compatible
Yes
Grind Number
HRTNSR1
Valve Springs Required
No
Quantity
Sold individually.
Notes
Fits models with VVT. This cam requires custom tuning, disabling the MDS system, using non-MDS lifters and requires the use of a phaser limiter CCA-5761 or a phaser lock kit CCA-5760.
