Crank Pulley Shim Ford Model A 28-31 A-6313

Crank Pulley Shim Ford Model A 28-31 A-6313

The crankshaft pulley surface that contacts the ratchet nut must extend beyond the crankshaft’s edge; otherwise, the nut cannot secure the pulley properly. This issue typically arises from inaccurately machined pulleys or crankshafts. This shim washer compensates for such discrepancies, ensuring the pulley can be firmly tightened. Note that our pulleys are precision-machined to Ford specifications, so this shim is generally unnecessary when using our products.