2001-2016 Duramax Callies DURASTAR Forged Steel Keyed Crankshaft
SKU: D333M81-CS
Stroke Main Pin
3.898 3.146 2.477
Durastar advantages:
- Deep DuraCase ™ nitride treatment that is durability and wear enhancing
- Large True Form fillet radii in all journals
- Keyed Shear Proof timing gear fit
- Drilled rod journals for reduced inertia and ease of balance
- Stock 3.898” stroke with OEM journal diameters and width
- Machined from 4340, through hardened steel
- Dual keyed damper fit
- Conservatively rated for 800hp @ 800 ft / lb torque
- Will accept OEM post and flange bolts
- Machined to accept OEM flywheels / flexplates
- All journals are polished to a 6Ra or finer finish
- Main bearing oil holes are machined with lead-ins for enhanced cold start oil flow to rod journals
$2,110.02Price