• Callies Magnum BBC 4340 Forged Crankshaft BBB-42B-MG, 4.375-Inch Stroke
  • Callies Magnum BBC 4340 Forged Crankshaft BBB-42B-MG, 4.375-Inch Stroke

Callies Magnum BBC 4340 Forged Crankshaft BBB-42B-MG, 4.375-Inch Stroke

$3,158.00 USD
$3,158.00 USD
$3,158.00 USD
Shipping calculated at checkout.

Vendor : CALLIES

Product Type : Engines and Components

Sku : CALBBB42B-MG

Hurry! Only
2
units left in stock!

✔ Veteran-Owned Business  |  ✔ Verified Fitment (SEMA Data)  |  ✔ Ships 1–3 Business Days  |  ✔ 30-Day Returns 

BBC 4340 Forged Magnum Crank - 4.375 Stroke

The Callies Magnum BBC 4340 Forged Crankshaft is designed for Big Block Chevy applications requiring a 4.375-inch stroke and dependable forged-steel construction. This crankshaft features internal balancing and is configured for use with a 2-piece seal.

Manufactured as part of the Callies Magnum line, this crankshaft combines 4340 forged construction with application-specific features for Big Block Chevy engine builds. The 4.375-inch stroke provides the central specification for builders selecting components for a compatible engine combination.

Part number BBB-42B-MG identifies this Callies crankshaft. It is sold individually and is listed as not air restricted or truck freight only, supporting standard product handling requirements where applicable.

Features:

  • Brand: Callies
  • Part Number: BBB-42B-MG
  • Application: Big Block Chevy
  • Construction: 4340 forged steel
  • Stroke: 4.375 inches
  • Balance: Internal balance
  • Seal Configuration: 2-piece seal
  • Product Type: Crankshaft
  • Quantity: Each
Air Restricted: NO
Truck Freight Only: NO