Good quality Pulley - 5-Groove For: Delco 10SI, 12SI, 17SI, 27SI, CS130, CS144 Series IR/EF Alternators Used On: (1995-85) Chevrolet, GMC, Pontiac Dim: 18mm Belt x 54mm Rib OD x 17mm Bore Features: - Machined pulley cut from cold rolled steel - Designed w/ hub - no
Features: 1) No need for pre-load adjustment at assembly. 2) Compactness and high performance of wheel axles. 3) No need for grease replenishment at assembly. 4) High productivity. 5) Large load rating. 6) Large moment stiffness.