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Callies BBB42B-MG - 4.375" Magnum Forged Crankshaft for Big Block Chevy Mk IV

4.375" Magnum Forged Crankshaft for Big Block Chevy Mk IV

BBB-42B-MG
Engine Big Block Chevy
Material Forged 4340 Steel
Rear Main Seal 2 Piece
Balance Internal
Stroke 4.375"
Main Journal 2.750"
Rod Journal 2.200"
Balancer Bolt Thread Size 1/2-20 in
Not Available
Availability: Will be special ordered for you.
Pricing: $3,020.00

Description

Race smart with Magnum durable competition crankshafts from Callies. Manufactured from ultra-pure AISI 4340 steel, these cranks are subjected to multiple heat treatments, giving them unsurpassed wear and strength characteristics. With their gundrilled mains and fully profiled counterweights, you may choose from an available selection for a variety of engine types. You just can't beat the proven reliability and value of Callies Magnum crankshafts.

• High purity premium 4340 forging
• All rod journals are drilled with generously radiused lightening holes
• Counterweights have been placed to reduce imbalance forces over the entire shaft
• Each counterweight features Callies (Dual Arc) windage redcing edge
• Perma Case Deep Nitride

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

Details

  • BBB-42B-MG
  • BBB-42B-MG
  • Callies
  • Will be special ordered for you.
  • New

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Shipping Information

  • Item Requires Shipping
  • 50.0 lbs.
  • W12.0000” x H12.0000” x L36.0000”

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California Residents: Prop 65

WARNING: Cancer and Reproductive Harm -