Comp Cams Mutha' Thumpr NSR camshafts make power from Comp Cams Mutha' Thumpr NSR camshafts make power from 1,900-7,300 RPM. They are a direct fit for 2011-2014 5.0L Coyote powered Mustang GT's. The Mutha' Thumpr NSR camshafts feature a grind profile that does not require new springs, keepers or retainers. RPM. They are a direct fit for 2011-2014 5.0L Coyote powered Mustang GT's. The Mutha' Thumpr NSR camshafts feature a grind profile that does not require new springs, keepers or retainers.
Comps' Mutha Thumpr cams have significantly more exhaust duration that equates to a lopey choppy idle with power gains in the higher RPM ranges. Street applications require a cam phaser limiter kit p/n #5493 while strip applications are recommended to use a cam phaser lock out kit p/n #5492.
Features and Benefits:
- Billet steel hydraulic roller finger camshaft
- No springs required
- 1,900-7,300 RPM range
- Advertised Intake Duration: 268 degrees
- Advertised Exhaust Duration: 307 degrees
- Intake Valve Lift: .492 inches
- Exhaust Valve Lift: .470 inches
- Lobe Separation: 127 degrees
WARNING: California Residents: Cancer and Reproductive Harm; www.p65warnings.ca.gov
- Vehicle Fitment:
- 2011, 2012, 2013, 2014