Cylinder Liner

Unlock your Porsche engine's full potential with Cargraphic's 3.8L conversion kit, featuring forged pistons and steel liners.

Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT2 2001-05

Porsche 997-1 Turbo 2007-09
Porsche 997-1 GT2 2008-09

Porsche 997-2 GT2 RS 2011

NOTE: These steel liners are a direct fit, requiring no modifications to the engine block. 

Contents:
6x Forged Pistons (3xLH, 3xRH), 23mm pin, 9.4:1 compression ratio, 427g
6x Steel Liners Ø102mm bore, Ø107mm spigot (direct fit, 3746ccm)
6x Piston Ring Sets 
6x Piston Pins (23mm) 
12x Circlips for Piston Pins 

Why choose this kit? 

Nikasil-Coated Forged Alloy Barrels with Steel Liners:
Provides optimal slide characteristics and enhanced durability.

Optimized Forged Piston:
Manufactured using a specialised forging process for superior performance.

Desaxes Pin Offset for LH/RH Fitment:
The desaxing shifts the contact point before TDC, reducing piston wear and engine noise.

FEM-Optimised Centre of Gravity & Weight:
Finite Element Method calculations are used to optimise balance and weight distribution.

Special Bridged Design for Enhanced Stability & Longevity:
Offers superior structural integrity for lasting performance.

Precision Milled & Treated for Weight Reduction:
Advanced milling techniques reduce weight without compromising strength.

Deeper Valve Pockets (Inlet: Large, Outlet: Small):
Engineered for compatibility with high-lift camshafts to maximize performance.

Advanced Piston Rings:
Designed to minimise oil consumption and blow-by for efficient operation.

Compatible with VarioCam Plus:
Ensures seamless integration with VarioCam Plus for optimized engine control.

High-Performance Power Upgrade:
Delivers maximum power, torque, and agility for superior driving dynamics.

Thoroughly Tested on RS-Tuning Dyno:
Developed and rigorously tested to ensure optimal performance and reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CAR103TT3800C

The product you are viewing cross references to these numbers

Unlock your Porsche engine's full potential with Cargraphic's 3.9L conversion kit, featuring forged pistons and steel liners.

Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT2 2001-05

Porsche 997-1 Turbo 2007-09
Porsche 997-1 GT2 2008-09

Porsche 997-2 GT2 RS 2011

NOTE: These steel liners are a direct fit, requiring no modifications to the engine block. 

Contents:
6x Forged Pistons (3xLH, 3xRH), 23mm pin, 9.4:1 compression ratio, 446g
6x Steel Liners Ø104mm bore, Ø107mm spigot (direct fit, 3894ccm)
6x Piston Ring Sets 
6x Piston Pins (23mm) 
12x Circlips for Piston Pins 

Why choose this kit? 

Nikasil-Coated Forged Alloy Barrels with Steel Liners:
Provides optimal slide characteristics and enhanced durability.

Optimized Forged Piston:
Manufactured using a specialised forging process for superior performance.

Desaxes Pin Offset for LH/RH Fitment:
The desaxing shifts the contact point before TDC, reducing piston wear and engine noise.

FEM-Optimised Centre of Gravity & Weight:
Finite Element Method calculations are used to optimise balance and weight distribution.

Special Bridged Design for Enhanced Stability & Longevity:
Offers superior structural integrity for lasting performance.

Precision Milled & Treated for Weight Reduction:
Advanced milling techniques reduce weight without compromising strength.

Deeper Valve Pockets (Inlet: Large, Outlet: Small):
Engineered for compatibility with high-lift camshafts to maximize performance.

Advanced Piston Rings:
Designed to minimise oil consumption and blow-by for efficient operation.

Compatible with VarioCam Plus:
Ensures seamless integration with VarioCam Plus for optimized engine control.

High-Performance Power Upgrade:
Delivers maximum power, torque, and agility for superior driving dynamics.

Thoroughly Tested on RS-Tuning Dyno:
Developed and rigorously tested to ensure optimal performance and reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CAR103TT3900C

The product you are viewing cross references to these numbers

The L 4979 liner is a direct replacement for the 100.00mm bore 996 GT2 liner, 100mm Bore, Wet
Material: Ductile iron



Fits:
Porsche 996 3.6L GT2 Price is Each

The liners will need to be fitted by a professional machine shop.