Forged Piston & Rod Kit for Subaru EJ25 WRX STI 2.5l EJ255 EJ257

$829.00$909.00

Subaru EJ25

  • Bore Diameter: 99.50mm/100.00mm/100.50mm
  • Compression Ratio: 8.5:1
  • Compression Height: 30.70mm
  • Length (C-C): 130.50mm
  • Big End Diameter: 55.00mm
  • Pin End Diameter: 23.00mm
  • Big End Width: 21.40mm
  • Pin End Width: 21.40mm
  • Bolt Size: 3/8″

Special Order Please Contact with us Before Ordering pan@henchrods.com

Product Specifications

Forged Connecting Rods:

  • Material: 4340 Alloy
  • Shape: QX-Beam
  • Bolt Size: 3/8″
  • Length (C-C): 130.50mm
  • Big End Diameter: 55.00mm
  • Pin End Diameter: 23.00mm
  • Big End Width: 21.40mm
  • Pin End Width: 21.40mm
  • Set of 4

Forged Pistons:

  • Material: 4032 Alloy
  • Bore Diameter: 99.50mm/100.00mm/100.50mm
  • Pin Size: 23.00mm
  • Compression Ratio: 8.5:1
  • Compression Height: 30.70mm
  • Set of 4

Technical Features of Hench Performance Connecting Rods

  • Two-Piece forging for great strength
  • Shot Peening for improved fatigue life
  • Bronze bushing with radial groove.
  • Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
  • Multi Stages Heat Treatment for maximum strength, dimensional stability, and fatigue life.
  • CNC machining for superior tolerances, precise as much as 0.005mm
  • Optimal balancing for weight matched sets of ± 1gram

Technical Features of Hench Performance Forged Pistons

  • Pin Oiling, for better lubrication of Piston Pins and significantly extend lifetime at super high temperature and rpm.
  • Completely Phosphate Coated, increase Oil Adhesion for better lubrication(Optional).
  • Moly Coated on skirt for reducing friction of piston and cylinder wall(Optional).
  • CNC machining for superior tolerances, precise as much as 0.005mm
  • Optimal balancing for weight matched sets of ± 0.5gram

Contains:

  • Piston x 4
  • Piston Pin x 4
  • Pin Lock x 8
  • Piston Ring x 4
  • Connecting Rod x 4
  • Bolt x 8

Application:

Subaru EJ25

  • Subaru Impreza WRX 2.5L Turbo
  • Subaru Impreza WRX STI 2.5L Turbo
Bore Size

95.5mm, 100mm, 100.5mm

Coating

Without Coating, Single Coated, Dual Coated

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