Moroso Billet Alternator Pulley - For GM and Ford Alternators w/ 21/32" Diameter Shaft - Single Groove - 5" O.D - Use 36" x 1/2" Wide Belt BR10001 Features billet steel "Shark Tooth"

Features billet steel "Shark Tooth" helical gears

Rubber Coated Steel Core

• 360 degree full-floating arm gussets

1981-1985 Isuzu I-Mark

Moroso Billet Alternator Pulley - For GM and Ford Alternators w/ 21/32" Diameter Shaft - Single Groove - 5" O.D - Use 36" x 1/2" Wide Belt BR10001 Features billet steel "Shark Tooth"Machined from solid billets of the highest grade aircraft aluminum for maximum durability Deep precision machined grooves ensure belt retention even during extreme changes in engine RPM Hard coat anodized for extended life Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition