Billet and Forged Crankshafts for the Mitsubishi 4G63 are now available from Callies Performance Products. These 4340 material crankshafts are metalurgically and geometrically certified to the same quality standard of all Compstar by Callies crankshafts. These 4G63 crankshafts feature Twin Shot rod journal oiling and are available with race proven Aeroshed super finishing.

• Average weight 32 lbs for billet crank
• 8 counterweight design
• 4340 steel certified by Callies in house Metallurgical lab
• Ultra-Case nitriding performed and certified by Callies
• Rod and main journal surface finish refined to 4Ra or less
• All journals ground with strength enhancing Tru-Form radii

Product Reviews for CAS23003 - CALLIES