American Racing Solutions Street Performance Belt Tensioner (ARS9740C) - 2003-2004 Mustang Cobra
Upgrade your supercharged Terminator Cobra with the American Racing Solutions Street Performance Belt Tensioner, designed to handle the increased stress of high horsepower and boost levels. Built for performance enthusiasts and racers alike, this tensioner delivers improved belt control, reduced slip, and more consistent boost.
Precision machined from 6061-T6 billet aluminum, this tensioner is significantly stronger than the factory cast unit. Internally, it features a TGP shaft, hardened bushings, proprietary spring, and thrust bearings to provide smooth, reliable operation under load. Tested on both the dyno and track, this tensioner helps reduce or eliminate belt slip, allowing your supercharger system to maintain peak efficiency and maximize horsepower.
Performance and Reliability
Designed for builds up to 1000 horsepower, this tensioner maintains proper belt tension in high-performance applications. The 40 lb spring provides increased tension over stock while maintaining excellent drivability for street and track use.
Direct Bolt-On Upgrade
This tensioner installs as a direct replacement for the factory unit with no brackets, adapters, or modifications required. It offers a simple and effective upgrade for improved performance.
Pulley Recommendation
This tensioner is designed to be paired with a 76mm grooved bearing pulley (sold separately). Optional ceramic bearing upgrades are available for maximum efficiency and durability.
Features
- Designed for 2003-2004 Mustang Cobra supercharged applications
- Machined from 6061-T6 billet aluminum for superior strength
- 40 lb spring tension for improved belt control
- Internal TGP shaft, hardened bushings, and proprietary spring
- Thrust bearings for smooth and consistent operation
- Reduces or eliminates belt slip to increase boost and horsepower
- Direct bolt-on replacement with no modifications required
- Recommended for builds up to 1000 horsepower
- Tested on dyno and track for proven performance
- Optional ceramic hybrid bearing upgrade available
- Lifetime guarantee against bending or breaking
Ceramic Bearing Benefits
- Up to 40 percent lighter than steel balls for reduced rotational mass
- Operates up to 50 percent faster than conventional bearings
- Reduced friction and rolling resistance for improved efficiency
- Significantly longer service life and durability
- Lower heat generation at high RPM
- Improved resistance to corrosion and thermal expansion
Additional Notes
- Tensioner only, pulley sold separately
- Recommended 76mm grooved pulley for proper operation
- Ideal for street and performance supercharged builds
Fitment
- 2003 Ford Mustang SVT Cobra
- 2004 Ford Mustang SVT Cobra
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
