K1 Technologies Dual Thrust Billet Crankshaft; 8 Bolt Flange SUBARU IMPREZA


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Part #: 039ADD750
Notes: Dual Thrust Billet Crankshaft
8 Bolt Flange
MSRP: $1,425.60
Your Price: $1,269.26
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Specs

Main Journal Diameter 60mm
Rod Pin Diameter 52mm
Stroke 75mm
Weight 21lbs

This Item Also Available In

Part Number Price Notes & Specs
039ADD790 $1,264.54 Notes Dual Thrust Billet Crankshaft
8 Bolt Flange
Main Journal Diameter 60mm
Rod Pin Diameter 52mm
Stroke 79mm
Weight 21lbs
039ADD830 $1,264.54 Notes Dual Thrust Billet Crankshaft
8 Bolt Flange
Main Journal Diameter 60mm
Rod Pin Diameter 52mm
Stroke 83mm
Weight 21lbs

All Fitments

SUBARU
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2012 IMPREZA WRX STI
WRX STI LIMITED
WRX STI SPECIAL EDITION
ALL ALL T EJ257 ALL

Product Description

K1 Technologies crankshafts offer world-class performance at an affordable price. Our crankshafts are made from 4340 forged steel and core hardened to reduce stress and optimize tensile strength. Each crank is designed with counterweights placed for optimal load reduction and ease of balancing.

FEATURES

  • 4340 Forged Steel – Toughness and resistance to impact
  • Core hardened using nitride hardening process – Less chance of running deformation
  • Magnetic Particle Inspection – Ability to see flaws that may cause s stress riser
  • Straight oiling to journals – Alleviates issues with rod bearing failures
  • Stress relieved – No bending or distortion in the engine.
  • Exceptional journal finish – Longer bearing life
  • Wide Pin-End Widths – Supports wrist pin to minimize failures

  • Reluctor wheel included (where applicable)
  • Concentric journal machining
  • Cam-cut for improved performance
  • Gun-drilled rod and main journals
  • Exceptional journal finish
  • Crank keyways cut to match OEM locations

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