One New Aftermarket J&N Electrical Products Pulley Tech Info: -Arrowhead: ADR5055; Fits Delco: 10499362, 362; J&N Electrical Products: 208-01001 -CENTER OF GROOVE TO REAR: 0.315", CENTER OF GROOVE TO REAR: 8mm, GROOVE OD: 2.354", GROOVE OD: 59.800mm, GROOVE TYPE: Serpentine, ID: 0.874", ID: 22.200 mm, NUMBER OF GROOVES: 8, NUT RECESS: 0.130", NUT RECESS: 3.300mm, OD: 2.569", OD: 65.250 mm, PULLEY TYPE: Solid, THICKNESS: 38.600 mm Replaces Part Number(s): 208-01001