PRODUCT DESCRIPTION
Fits: 426-440 RB Engine
Stroke:4.250”
Main: 426/440
Rod pin diameter: 2.200
Min Rod length: 6.760”
Bob Weight: 2350
Our 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks.
Sizes are held to the tightest tolerances you'll find in the racing industry!
