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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.

GM / Holden LS3 / L92 / L99 6.2L-Block Gen IV 4.000" Stroker Rebuild Kit with Spool Conrods and CP Bullet Pistons
AUD$2,931.82

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GM LS1 / LS6 5.7L Gen III 3.622" Standard-Stroke Rebuild Kit with Spool Conrods and CP Bullet Pistons
AUD$2,931.82

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GM LS1 / LS6 5.7L Gen III 4.000" Stroker Rebuild Kit with Spool Conrods and CP Bullet Pistons
AUD$2,931.82

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Holden / GM LS1,LS2 LS3 - 3.622' OEM Stroke Rebuild Kit with Spool Conrods and CP Bullet Forged Pistons
AUD$2,845.45

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Holden / GM LS1,LS2 LS3 - 4.00" Extreme Boost Engine Kit - 2,000hp+
AUD$9,068.18

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Holden / GM LS1,LS2 LS3 - 4.00" Stroker Rebuild Kit with Spool Conrods and CP Bullet Forged Pistons
AUD$2,931.82

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Holden 202 Turbo/Supercharged Rebuild kit with Spool H Beam Conrods and Ross Racing Forged Pistons (-10cc dish)
AUD$2,513.64

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Holden 202 Inline 6 Cylinder Rebuild kit with Spool H Beam Conrods and Ross Racing Forged Pistons (Flat Top)
AUD$2,763.64

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Holden ECOTEC L67 Turbo/Supercharged Rebuild kit with Spool H Beam Conrods and Ross Racing Pistons
AUD$2,781.82

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Honda K20A/A2 NA Rebuild Kit with Carrillo Conrods and CP Forged Pistons
AUD$3,363.64

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Honda K20A/A2 NA Rebuild Kit with Spool X300 Extreme 300m Conrods and CP Forged Pistons
AUD$2,545.45

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Honda K20A/A2 Turbo Rebuild Kit with Carrillo Conrods and CP Forged Pistons
AUD$3,363.64

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Honda K20A/A2 Turbo Rebuild Kit with Spool X300 Extreme 300m Conrods and CP Forged Pistons
AUD$2,545.45

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Mitsubishi 4G63 Evo Rebuild Kit with Spool Drag Pro Conrods and CP Forged Pistons - ( 4G63 2G 7 Bolt or 4G63 EVO VII / EVO IX )
AUD$2,259.09

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Mitsubishi 4G63 Evo Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons - ( 4G63 2G 7 Bolt or 4G63 EVO VII / EVO IX )
AUD$2,163.64

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Nissan CA18DET Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,200.00

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Nissan CA18DET Rebuild Kit with Spool H Beam Conrods and Ross Racing Forged Pistons
AUD$2,040.91

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Nissan FJ20 Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$2,722.73

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Nissan RB20DET Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$3,150.00

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Out of Stock
Nissan RB20DET Rebuild Kit with Spool H Beam Conrods and Ross Racing Forged Pistons
AUD$2,800.00

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Nissan RB25DET 1,000hp Rebuild Kit
AUD$4,086.36

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Nissan RB25DET 1,500hp Rebuild Kit
AUD$5,222.73

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Nissan RB25DET NEO Rebuild Kit with Spool Drag Pro I Beam Conrods and CP Forged Pistons
AUD$3,281.82

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Nissan RB25DET NEO Rebuild Kit with Spool H Beam Conrods and CP Forged Pistons
AUD$3,136.36

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