Ford FE Stroker Crankshaft 4.125" CAST - 390 428 Crankshaft (431 cu 390 stroker) (9FE100)

9FE100 Scat CAST Crankshafts - Ford FE 390 427 428 4.125" Stroke

Scat 9000 Series Cast Pro Comp Stroker Lightweight Crankshafts

Increase cubic inches economically for your Ford FE big Block 390 or 428. Scat 9000 Series cast stroker lightweight crankshafts are budget friendly for your mild or moderate street or race FE 390 428 build. These FE Big Block crankshafts are patterned after Scat's custom billets and are built from their exclusive space-age 9000 material. Features include straight shot oil holes, and lightening holes in all rod throws, Aero-wing counterweights offer reduced windage and the ability to increase your FE 390 428 horsepower. Scat cranks are precision-ground and micro-polished for increased reliability. 

Stroker Capacity: 

• 390 Stroker with 4.080" Bore ( + .030" oversize piston) = 431 Cu / 7.1L
• 428 Stroker with 4.155" Bore (+ .025" oversize piston) = 447 Cu / 7.3L

Scat Crankshaft Part# 9-FE-4125-6700-2200 Specs:

Engine Family:  Ford FE Big Block 390 427 428

Engine Stroke (in.):  4.125 in.

Recommended Conrods: Chevy BBC 454 - 6.700" long. 

Crankshaft Material:  CAST Steel

Engine Balance:  Internal

Rear Main Seal Style:  2-piece

Lightened:  No

Requires Narrow Bearings:  Yes

Rod Journal Diameter (in.):  2.200 in.  (BBC 454)

Recommended Conrods:  BBC 2.200" x 6.700"

Main Journal Diameter (in.):  2.750 in.

Balancer Bolt Thread Size:  5/8 in.-18

Crankshaft Snout Style:  Standard

Weight:  60 lbs.

Quantity:  Sold individually.