Saleen Serpentine Belt 100" 07-08 S331

These 6-rib 100" serpentine belts run quieter, stretch less, and transfer more power than other belts. As they warm up, the composite construction between the cords and rubber compound becomes more efficient at turning your engine's accessories. And by absorbing the shock and vibration transmitted from the crank pulley, the belts can help your harmonic damper to better reduce harmful vibrations.OEM replacement for 2007-08 S331 Naturally Aspirated (Underdrive Pulley Kit Equipped) F-150 trucks.