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HKS Forged Piston & Conrod Step 2 Set

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Availability: 4-5 Days

Excl. VAT: £2,800.00 Incl. VAT: £3,360.00
Excl. VAT: £2,800.00 Incl. VAT: £3,360.00
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Product Description


This high performance STEP2 package includes pistons and connecting rods designed for R35 GT-R with higher engine output.
This Forged Piston Kit + Connecting Rod STEP2 Set is a must to upgrade the engine performance using with the GT800 Racing Specs and/or STEP2 Camshaft.



POINT-1 Parts for Higher Engine Output
  • Factory replacement type piston & connecting rods kit with the standard bore size.
  • To avoid piston land breakage, HKS pistons are made with forged material instead of casting like the factory pistons. The shape of STEP2 is the same as STEP1.
  • It's recommended to use with other items of the GT800 Package.
  • In-house test at 900PS confirmed the durability and safety.
  • The setting range is widened by reducing the compression rate from 9.0 factory ratio to 8.7. This is effective to increase the engine output using the aluminum block specs and/or bigger cylinder bore.
  • STEP2 piston's recess is 1mm deeper than a stock to best use with the STEP2 camshaft.


POINT-2 Factory Replacement Type
  • The weight of the connecting rod is the same as the factory since the affect of the V6 engine's peculiar vibration should be considered.
  • The piston is light-weighted to approximately 25g.
  • The weight is optimized to install to the factory crankshaft so it is not necessary to use a dummy weight to balance.


POINT-3 Higher Reliability by In-house Design & Production
  • The best 3D profile for this piston was selected after various profile tests. The forged material exclusively for HKS was used.
  • With the results of in-house analysis on the factory connecting rod, the durability is improved by approx 46% maintaining the balance.
  • All parts are MADE IN JAPAN.


Left: STEP2 Connecting rods
Right: STEP1 Connecting rods

Piston&Connecting rod set




Small-end dia. (mm) φ23 φ23 φ23
Large-end dia. (mm) φ59 φ59 φ59
Center distance (mm) 165.1 165.1 165.1
Reference weight (g) 734.6 722 724.6
Bolt M9 X 1.0 M9 X 1.0 M9 X 1.0
Capable Torque (kgf-m) 130 114.8 78.6


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