Part Number
CAL-D333M81-CS
Durastar, 3.898 Stroke, 3.146 Main, 2.477 Rod Journal, External Balance
$1,401.00
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM’s popular Duramax diesel. This improvement is the result of substantially stronger steel, considerably deeper nitride layer and unique machining features.
Durastar crankshafts are intended to be externally balanced with stock damper and flywheel configurations.
Standard FeaturesDeep 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
Durastar crankshafts are intended to be externally balanced with stock damper and flywheel configurations.
Standard Features
Price | $1,401.00 |
---|---|
Vehicle Make | Duramax |
Balance Type | External |
Crankshaft Stroke | 3.898 |
Crankshaft Series | Standard Weight |
Crankshaft Material | 4340 Steel |
Main Journal | 3.146 |
Rod Journal | 2.477 |
Custom Notices | ⚠ PROP 65 WARNING |