For Prints

●FORGED PISTON KIT

*The inventory shown may differ from the actual number.

Vehicle Engine Type Displacement (mm) Size Boring・Honing modification Full flow modification Compression Ratio Code No. Availability Production Date Manual Detail Remarks
TOYOTA
SUPRA 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 Detail Compatible with VVT-i models
NISSAN
SILVIA SR20DET Forging Piston Kit 1998 φ86 - φ22 Not required Not required GK t=1.2 ε=8.7 2103-RN024 Nickel Plating
SILVIA SR20DET Forging Piston Kit 2045 φ87 - φ22 Required Not required GK t=1.2 ε=8.7 2103-RN025 Nickel Plating
SKYLINE GT-R RB26DETT Forging Piston Kit 2568 φ86 - φ21 Not required Not required GK t=1.2 ε=8.5 2103-RN020 × 2025-08-04 STEP2
SKYLINE GT-R RB26DETT Forging Piston Kit 2568 φ86 - φ21 Not required Not required GK t=1.2 ε=8.5 2103-RN019 × 2025-12-24 Make to order item
STEP2, Nickel Plating, Molybdenum Coating
SKYLINE GT-R RB26DETT Forged Piston Kit (BCD) 2599 φ86.5 - 21 Required Not required GK t=1.2 ε=8.7 21003-AN013 Detail OEM replacement. Compatible with STEP2 camshaft. Double-layer coated piston pin D21-L56
SKYLINE GT-R RB26DETT Forging Piston Kit 2628 φ87 - φ21 Required Not required GK t=1.2 ε=8.5 2103-RN021 STEP2
SKYLINE GT-R RB26DETT Forging Piston Kit 2628 φ87 - φ21 Required Not required GK t=1.2 ε=8.8(Head grinding 1mm) 2103-RN017 × 2025-11-05 Make to order item
STEP2, Nickel Plating, Molybdenum Coating
MITSUBISHI
LANCER EVOLUTION I 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.6 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION II 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.6 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION III 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.6 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION IV 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION IX 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.6[Lancer EVOI・II・III]/GK t=1.2 ε=8.8[Lancer EVO IV~VIII MR] 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION V 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION Ⅵ 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION VII 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION VIII 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
LANCER EVOLUTION VIII MR 4G63 Forging Piston Kit 2021 φ85.5 - φ22 Required Required GK t=1.2 ε=8.8 2103-RM006 × Make to order item
Nickel Plating, Molybdenum Coating
SUBARU
IMPREZA WRX STI EJ20 Forging Piston Kit 2016 φ92.5-φ23 Required Not required GK t=1.4 ε=8.0[GC8ver.III~VI]/GK t=0.7 ε=8.1[GDB・BE5] 21003-AF002 Nickel Plating, Molybdenum Coating