Forging Piston Kit
SUPRA
Explanation of the product Application chart
SUPRA 

Forging Piston Kit

Code No. 21003-AT002

 

 

 

 

Although 2JZ-GTE engine is durable, as it has been years since the end of the production, it is the time for overhauling for a lot of these engines.
They may not require stroker kit but it is a good opportunity to upgrade with the forged piston kit.

 

 

■Feature

  • Newly designed Forged Piston Kit for 2JZ-GTE.
  • It has recess that is applicable for VVT-i engines. (It is also applicable for HKS V CAM.)
  • The new design has not flat top but concave shape like other ordinary turbo pistons with valve recess for VVT-i.
  • Compression ratio can be set for latest high compression turbos: 8.8 (t=1.2), 8.5 (t=1.6), 8.3 (t=2.0).
  • Piston skirt portion has "Ober coating" for initial smooth braking-in and reduction of friction.
  • It has been tested on a engine bench at 600PS/8000rpm.

 

 

■Specification

  HKS Stock
Cylinder layout Inline 6 cylinders Inline 6 cylinders
Bore x Stroke φ87×86mm φ86×86mm
Displacement 3067cc 2997cc
Volume/cylinder 511.17cc 499.5cc
Compression ratio GK t=1.2 ε=8.8
GK t=1.6 ε=8.5
GK t=2.0 ε=8.3		 GK t=1.2 ε=8.5
GK t=1.6 ε=8.21
GK t=2.0 ε=7.97
Weight of piston 369g 380g
Type of product Piston Kit  

 

 

 

■Remark

  • Although this product can be used with stock crankshaft and connecting rod, upgrading items may be required for some engines.
  • Boring and horning of cylinders are required as this item is 1.0mm over size piston.

 

 

Engine Type Displacement (mm) Size Boring・Honing modification Full flow modification Compression Ratio Code No. Manual Remarks
2JZ-GTE Forging Piston Kit 3067 φ87 - φ22 Required Not required GK t=1.2 ε=8.8/GK t=1.6 ε=8.5/GK t=2.0 ε=8.3 21003-AT002 Compatible with VVT-i models

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HKS