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Callies DuraStar Crankshaft | CPPD333M81-CS | 2001-2018 Chevy/GMC Duramax

Pricing: $1,949.00

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Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM's popular Duramax diesel. Every crankshaft is 100 percent inspected for critical dimensions, and the manufacturing equipment is constantly monitored for tolerance drift and tool degradation. Give your ride the Durastar advantage with Callies crankshafts; models are available for fitment with specific vehicle makes and engine applications.

Durastar crankshaft key features:

  • Machined from 4340, through hardened steel
  • Intended to be externally balanced with stock damper and flywheel configurations
  • Deep DuraCase nitride treatment offers durability
  • Dual keyed damper fit
  • Conservatively rated for 800 hp @ 800 lbs.-ft. torque
  • Will accept OEM post and flange bolts
  • Machined to accept OEM flywheel/flexplates
  • 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 in. stroke with OEM journal diameters and width
  • 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
  • GM timing gears are available

Shipping Information

  • Item Requires Shipping
  • 95.0 lbs.
  • W9.0000” x H9.0000” x L32.0000”
  • Free Shipping