STEFS
10-13-2024, 05:06 PM
N O S GM #3963521 4.00'' STROKE CRANKSHAFT from the JENKINS COMPETITION COLLECTION. This 3521 crankshaft is FORGED from 5140 material, CROSS DRILLED MAINS and HEAT TREATED. Rods are std 2.200'' and Mains are std 2.750'' $1200 each and I have 2 available. plus the shipping