6 Rib Grooved Tensioner Pulley, Billet Aluminium suits LS1 LS2 LS3

Precision machined billet aluminium construction Suits LS1 LS2 LS3 GM V8 engines Suits 6 rib / groove serpentine belt 2-11/16" OD (measured at the peak of the ribs) Features sealed bearing 11/16" bearing ID Note: if fitting to a truck based LS engine, the bearing retainer c-clip may interfere with the tensioner, therefore you may need to grind a small amount off the tensioner