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Rebuild Kits

Rebuild Kits

Choosing the Right Rebuild Kit Options

When selecting a rebuild kit, engine capability is not defined by one part alone. Real-world strength depends on how pistons, conrods, and fasteners work together, along with how the engine is used.

What Actually Limits Engine Strength?

Cylinder pressure – boost, torque, detonation margin
RPM-related loads – forces acting on conrods and rod bolts

Stronger pistons primarily increase pressure capability. Stronger rod bolts primarily increase RPM safety margin.

Upgrade Effects at a Glance

Upgrade	Primary Benefit	Does Not Automatically Increase
Thicker piston crown / pin boss	High boost durability	Safe RPM limit
Larger gudgeon pin	Pin stiffness & stability	Rod bolt RPM capacity
Stronger conrod beam	Buckling resistance	Bolt stretch limit
Higher-spec rod bolts	High RPM safety margin	Detonation tolerance

General Build Level Guide

Build Level	Typical Configuration	Intended Use
Street Performance	H-Beam rods, ARP2000 bolts	Fast street, moderate boost
Street / Track	H-Beam rods, L19 bolts	Higher boost, occasional track
High Power Street	Drag Pro rods, ARP2000 bolts	Big turbo street builds
Serious Power	Drag Pro rods, L19 bolts	Drag or roll racing
Extreme	X300 rods, L19 bolts	Very high boost, controlled RPM

These guidelines are conservative and assume correct tuning, fuel quality, and appropriate RPM limits for the engine platform.

Nissan RB30ET (SOHC) Rebuild Kit with Spool H Beam Conrods and CP Pistons (8.5:1)
AUD$3,127.27

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Nissan RB30ET (SOHC) Rebuild Kit with Spool H Beam Conrods and CP Pistons (9.0:1)
AUD$3,127.27

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Nissan RB30ET (SOHC) Rebuild Kit with Spool H Beam Conrods and Ross Pistons (8.5:1)
AUD$2,772.73

Out of stock

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Nissan RB30ET (SOHC) Rebuild Kit with Spool H Beam Conrods and Ross Pistons (9:1)
AUD$2,772.73

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Nissan SR20DE and SR20DET Rebuild Kit with Spool Drag Pro I Beam Conrods and CP Forged Pistons
AUD$2,254.55

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Nissan SR20DE and SR20DET Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,150.00

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Nissan SR20DE and SR20DET Rebuild Kit with Spool X300 Extreme I Beam Conrods and CP Forged Pistons
AUD$2,518.18

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Nissan SR20DET Rebuild Kit with Spool Drag Pro I Beams and Ross Racing Forged Pistons
AUD$2,095.45

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Nissan SR20DET Rebuild Kit with Spool H Beam Forged Conrods and Ross Racing Forged Pistons
AUD$1,990.91

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Nissan SR20DET Rebuild Kit with Spool X300 Extreme I Beams and Ross Racing Forged Pistons
AUD$2,363.64

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Nissan SR20VE and SR20VET Rebuild Kit with Spool Conrods and CP Forged Pistons
AUD$2,150.00

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Nissan VG30DET Rebuild Kit with Carrillo Conrods and CP Forged Pistons
AUD$5,095.45

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Nissan VQ35DE Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$3,159.09

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Nissan VQ35HR Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$3,177.27

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Subaru EJ20 Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,225.45

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Subaru EJ25 DOHC Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,418.18

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Subaru EJ255 WRX Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,377.27

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Subaru EJ257 WRX STI Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,377.27

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Toyota 1FZ-FE Rebuild Kit with Spool H Beam Conrods and Ross Racing Forged Pistons
AUD$3,095.45

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Toyota 1FZ-FE Rebuild Kit with Spool H Beam Conrods and Custom CP Forged Pistons
AUD$3,336.36

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Toyota 1JZ-GTE Rebuild Kit with Spool H Beams and Ross Racing Forged Pistons
AUD$2,881.82

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Toyota 1JZ-GTE Rebuild Kit with Spool Drag Pro I Beam Conrods and CP Forged Pistons
AUD$3,122.73

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Toyota 1JZ-GTE Rebuild Kit with Spool Drag Pro I Beam Conrods and Ross Racing Forged Pistons
AUD$3,027.27

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Toyota 1JZ-GTE Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,977.27

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