Fits all 911's & 930's from 1974 thru 1989
The stock Alternator Crank pulley on a 911/930 weighs 967 grams, our 935 style pulley weighs 272
direct replacement for your OEM 911/930 pulley. CNC machined from 7050 alloy with timing marks in the
factory locations: Z1, 5 degrees ATDC, 120 & 240 degrees for ignition timing settings( for Euro, and US
spec cars) and valve adjustments. It is also machined to accept a trigger wheel on the backside for your
current or future EFI system and is anodized gold to prevent corrosion.