Callies SBC 4340 Forged Magnum Crank - 4.000 Stroke
CALSAO21A-MG (Not in stock)Callies
Regular price
$3,199.00
Sale
Magnum 4340 Forged Steel Crankshaft
Lightweight, durable crankshafts are made from ultra pure AISI 4340 forged steel. Crankshafts feature gun-drilled mains, fully profiled counter-weights, and have undergone exclusive Ultra-Case heat treatment. These crankshafts are available for a variety of small block and big block Chevy engines.
Crankshaft - Magnum - 4.000 in Stroke - Internal Balance - Forged Steel - 2 Piece Seal - Small Block Chevy - Each - MPN: SAO21A-MG
Specifications
| Brand | Callies |
| Part Number | SAO21A-MG |
|
Product Line
|
Magnum
|
|
Lightened
|
Yes
|
|
1 / 2 Piece Rear Main Seal
|
2-Piece
|
|
Heat Treated
|
Yes
|
|
Nitrided
|
Yes
|
|
Gun Drilled
|
Yes
|
|
Stroke
|
4.000 in
|
|
Mains
|
400
|
|
Main Journal Diameter
|
2.648 in
|
|
Rod Journal Diameter
|
2.100 in
|
|
Narrowed Bearings Required
|
Yes
|
|
Intended Balance
|
Internal
|
|
Minimum Rod Length
|
6.000 in
|
|
Snout Style
|
Standard
|
|
Crankshaft Key Quantity
|
1
|
|
Flexplate / Flywheel Mounting Bolt Quantity
|
6
|
|
Alloy
|
4340
|
|
Material Style
|
Forged
|
|
Material
|
Steel
|
|
Color
|
Natural
|
|
Finish
|
Natural
|
|
Quantity
|
Each
|