This billet belt tensioning assembly for GM LS1/2/3/6/7 helps stop the throwing of serpentine belts by absorbing potentially damaging resonance.
If used with 2010+ Camaros, the belt must be changed.
Chevrolet: Camaro 10 - 16 6.2 L Engine, Chevrolet: Camaro 14 - 15 7 L Engine, Pontiac: G8 09 - 09 6.2 L Engine, Avanti: II 01 - 04 5.7 L Engine, Chevrolet: Corvette 08 - 13 6.2 L Engine, Chevrolet: SS 14 - 17 6.2 L Engine, Chevrolet: Corvette 05 - 07 6 L Engine, Chevrolet: Corvette 06 - 13 7 L Engine