RCM / Arrow H-Section Con Rod Set

SPE809 - 4 x SPE103 Rods


inc. vat / £1,079.99


inc. vat / €1,231.30


If you are looking for strong, balanced, lightweight and reliable components to take your engine upto 600bhp then look no further than the RCM Connecting Rod produced by Arrow Precision.

Quality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision Connecting Rod. The high strength RCM H Section Connecting Rod is carefully and precisely manufactured by these very craftsmen using a low sulphur Vacuum de-gassed nickel chrome alloy steel called EN24 in “V condition”, with a pined surface finish. Each rod is ultrasonically tested, crack detected and balanced to within a gram of each other before finally receiving the RCM seal of quality in the form of our laser engraved logo.

Each con rod set is supplied with ARP bolts and a sachet of ARP assembly lube.

Ease of Fitment Guide


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# technical specification

Big End Diameter: 55.008

G/Pin Diameter: 23.000

Between Centres: 130.450

Big End Width: 21.400

Small End Width: 21.400

Bolt Size: 3/8 UNF

Quantity in Set: 4

# key features

  • Significantly stronger than the standard OE conrod.
  • Direct replacement connecting rod for all EJ20 and EJ25 Impreza Turbo models.
  • Double air re-melt steel.
  • Fully machined.
  • Uniform machine peening.
  • Balanced end to end within a gram.
  • 100% magnaflux tested.
  • Laser etched with RCM Logo.
  • Fitted with ARP fasteners.
  • Supplied with ARP moly and full fitting instructions.

# confirmed applications

Suitable for the following vehicles producing upto 600bhp:

• EJ20 Impreza WRX & STI 1992-2014 (Including all JDM turbo models).

• EJ25 Impreza WRX & STI 1992-2014 (Including all JDM turbo models).

• EJ25 Impreza WRX & STI 2001-2014 (USDM models).

• EJ20 Forester Turbo 1992-2003 (Including JDM models).

• EJ25 Forester Turbo 2004-2007(including JDM models).


# shipping

    Box Dimensions

    Dimensional Weight

    Actual Weight


17x20x10 cm

0.56 kg

2.35 kg

# other recommendations


RCM 12mm Modified Oil Pump


RCM / Omega Piston Set - WRX & STI 1999-2000 (V5-V6) EJ20


RCM / Omega Piston Set - STI 2001-2005 (V7-V8) EJ20


RCM / Omega Piston Set - WRX & STI 2006-2013 (V9+) EJ25

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