K1 028CF17151 H-Beam Connecting Rods Mazda 2.3L MZR 150.55mm w/ DISI Pin: 22mm

  • Made from 4340 Forged Steel
  • High Tolerance Center to Center Length (< .001”)
  • + / -.000050 (50 millionths) Tolerance on Big End Housing Bore
  • Proprietary ARP Bolts with Asymmetrical Threads
  • Finished and Sized in Ohio, USA

K1 connecting rods are made from Forged 4340 Steel using proprietary bolts produced by ARP to K1 specifications which have asymmetrical threads to equally load each thread when under pressure. Connecting rods are shot peened for improved fatigue life and are finished in the USA using K1's state of the art Sunnen hones.

Engine Make Mazda
Application/Engine 2.3L MZR
Rod Length (in) 5.927 in
Rod Length (mm) 150.550 mm
Brand K1 Technologies
SKU 028CF17151
Rod Design/style H-Beam
Housing Bore/Big End Diameter 55.008 mm / 2.166 in
Journal Diameter N/A
Big End Width 21.790 mm / 0.858 in
Pin Diameter 22 mm
Pin Fit
Pin End Width 21.790 mm / 0.858 in
Thickness Above Pin
Wrist Pin Style Floating
Weight (ea) 555 grams
HP Rating
Rod Alloy Forged 4340 Steel
Rod Finish Shot Peened
Magnafluxed Yes
Clearanced For Stroker No
Cap Style
Bolts Included ARP 2000
Bolt Size 3/8 in
Bolt Style 12-Point
Rods Inlcuded In Kit 4
Application/Kit Notes Mazda MZR with DISI 150.55mm