Scat Chevy 4340 Forged Standard Steel Crankshaft - SB Chevy 400, 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal MGZK First and foremost

First and foremost

Its unique telescoping design fits almost any backspace wheel dimension

Pads measure 8-1/2" wide and include two molded-in studs with hardware for easy installation

Supports up to 550 EFI or 700 Carb HP (HP Rating @ 60 PSI at 13

This line features a 3/8" hose end and a 5/8 - 18 inverted flare fitting

Scat Chevy 4340 Forged Standard Steel Crankshaft - SB Chevy 400, 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal MGZK First and foremostScat's quality 4340 Forged Steel Crankshafts for small block Chevrolets are nitride hardened, straightened and feature large fillit radii on all journals for increased lubrication, lightening holes in all rod journals for increased lubrication, lightening holes in all rod journals, and counterweights for 5. 7" and 6" connecting rods. Each crank has straight shot, back drilled oiling for maximum efficiency. Available in standard, lightweight and