Mercedes Benz AMG M278 Forged Pistons and Forged Connecting Rods Kit

$2,189.00$2,349.00

M278 4.7L V8 (4663cc) Bi-Turbocharged HQ-MB-091-HR-MB-015H8

  • Bore Diameter: 92.90mm
  • Pin Size: 24.00mm
  • Compression Ratio: OEM
  • Length (C-C): 146.50mm
  • Big End Diameter: 55.60mm
  • Pin End Diameter: 24.00mm
  • Big End Width: 19.95mm
  • Bolt Size: 3/8″

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

Product Specifications

Forged Connecting Rods:

  • Material: 4340 Alloy
  • Shape: H-Beam
  • Bolt Size: 3/8″
  • Length (C-C): 146.50mm
  • Big End Diameter: 55.60mm
  • Pin End Diameter: 24.00mm
  • Big End Width: 19.95mm
  • Wider pin end width to be Forged Piston guided.
  • Set of 8

Forged Pistons:

  • Material: 4032 Alloy
  • Bore Dia.: 92.9mm
  • Pin Size: 24.00mm
  • Compression Ratio: OEM
  • Compression Height: OEM
  • Set of 8

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

  • Completely Phosphate Coated, increase Oil Adhesion for better lubrication.
  • Moly Coated on skirt for reducing friction of piston and cylinder wall.
  • Pin Oiling, for better lubrication of Piston Pins and significantly extend lifetime at super high temperature and rpm.
  • Piston Guided.

Contains:

  • Piston x 8
  • Piston Pin x 8
  • Pin Lock x 8
  • Piston Ring x 8
  • Connecting Rod x 8
  • Bolt x 16

Application:

M278 4.7L V8 (4663cc) Bi-Turbocharged

  • 2011–2017 S 500/S 550
  • 2011–2014 CL 500/CL 550
  • 2015–2017 S 500 Coupé/S 550 Coupé
  • 2011–2018 CLS 500/CLS 550
  • 2012–2020 SL 500/SL 550
  • 2012–2014 E 500/E 550
  • 2012–2014 ML 500/ML 550
  • 2013–2014 GL 450
  • 2013–2019 GL 500/GLS 500/GL 550/GLS 550
Bolts

HP Bolts, ARP2000 Bolts

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