Moroso 16 Tooth Gilmer Drive Crankshaft Pulley AA0220BG3R54 3/8" thick T6 billet aluminum

3/8" thick T6 billet aluminum arms for rigidity and accurate readings

Bert/Brinn Starter can handle up to 16:1 compression

GM Fullsize Truck 1969-72

Large fill plugs have a 3" opening

Moroso 16 Tooth Gilmer Drive Crankshaft Pulley AA0220BG3R54 3/8" thick T6 billet aluminum3 8" pitch pulley fits 1" diameter keyed drive mandrels Machined from billet aluminum for unmatched precision Hard coat anodized for extended durability 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 wire, ignition components, valve covers, fuel system equipment, air