Manley Memorial Day Sale! Save Up To 10% with Code MORE24

Notice: Product Images may differ from the actual product. Image may be a representation of this item.

Manley Subaru EJ20 Forged Crankshaft – 75.00 mm Stroke

Your Price: $2,051.95

SKU: 190160B

In Stock

Manley Crankshaft, CRANK-4340 75mm STROKE.

For High Horsepower/High Boosted Applications, explore our fully machined “Turbo Tuff Series” billet cranks, available for Mitsubishi 4G63/4G64 and Subaru EJ20/EJ25 engines.

  • Lightweight Design, 4340 Billet Material: Manufactured from 4340 “Turbo-Tuff” Billet material, ensuring durability and performance. Crank pin and counterweights are gun drilled for lightening and the counterweights are fully knife edged to ensure precise balance and stability.
  • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
  • Improved “Direct Shot” Oiling Passages: Optimized oil passages for direct oiling from the main oil gallery to each main bearing ensuring bearing and journal longevity.
SKU: 190160B Categories: ,

GTIN: 00807298105376

Product Market

Sport Compact


18.000 LBS

Product Type

Engine Crankshaft

Engine Stroke

75.00 MM

Crankshaft Material




Reluctor Ring Included


Engine Detail – Web

EJ20, EJ25

Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.
Enter the number of cylinders of your engine
Finished bore of your engine
Stroke of your engines crankshaft
Rod Length
Ctr. to Ctr. length of your connecting rods
Gasket Bore
Head Gasket bore diameter
Comp. Gasket
Compressed Head Gasket thickness
Block Deck Height
Center of main bearing bore to top of block
Top Ring Down
Top of 1st ring to top of pistons(FLAT)
Chamber Volume
Cylinder Head chamber volume in CC’s
Dome/Dish Volume
DOME (-) or DISH (+) vol. (theoretical) in CC’s
Piston to Deck
Top of BLOCK to top of piston (FLAT) @ TDC
Click “Calculate” for dimension results.
Total Volume
Cylinder Volume
Total cylinder volume in CC’s =
Clearance Volume
All effective vol. above block deck @ TDC in CC’s =
Gasket Volume
Volume of your head gasket in CC’s =
Top Ring Volume
Total volume above the top ring @ TDC in CC’s =
Deck Volume
Volume of area above the pistons @ TDC in CC’s =
Piston Top Land
Piston top land diameter for volume calculations =
1/2 Stroke
1/2 stroke of your engine’s crankshaft in inches =
Compression Ht.
Ctr. of piston pin to top of piston (FLAT) in inches =
Cubic Inches
Cubic inch displacement of your engine =
For the given dimensions, your compression ratio