Chrysler 318, 340 Stroker Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in, (SCA-934020) SBM

Scat 9-340-4000-6123 Chrysler 340 Stroker Crankshaft, 4.000" Stroke suits Small Block Mopar, Pro Stock Crankshaft, Cast, 9000 Series 9-340-4000-6123

Scat Series 9000 Cast Stroker Lightweight Crankshafts

Need a Stroker Kit? Just ask. We have matching conrods, pistons will be made to order. 

Increase your cubic inches for your Small Block Mopar Engines. Use the Scat 9000 Series cast stroker lightweight crankshafts are the economic solution for your mild or moderate street or race engine. These lightweight crankshafts are patterned after Scat's custom billets and are built from their exclusive space-age 9000 material. Features like Aero-wing counterweights, straight shot oil holes, and lightening holes in all rod throws (except for the 3.480 stroke) offer reduced windage and the ability to increase your horsepower. Scat Big Block Chevy cast cranks are precision-ground and micro-polished for a beautiful finish and a perfect fit for your Stroker engine

SCAT 9-340-4000-6123 Specifications: 

Engine Family fits: Chrysler Small Block 318 & 340

Engine Stroke (in.):  4.000 in.

Crankshaft Material:  Cast steel - 9000 Series

Engine Balance:  Internal

Rear Main Seal Style:  2-piece

Lightened:  Yes

Requires Narrow Conrod Bearings:  Yes

Main Journal Diameter: 2.500"  (318, 340 Chrysler)

Rod Journal Diameter (in.):  2.125 in

Crankshaft Snout Style:  Standard

Quantity:  Sold individually.

NOTE: Crankshaft pilot bearing ID is 1.090" - use Dorman Part number 690-014-1

Will not fit 360 engines.