Description
High-performance forged piston and steel liner conversion kit designed to upgrade your Porsche engine displacement to 3.9L with 104mm bore and 107mm spigot size. Engineered for enhanced power, durability, and engine longevity with a direct fit requiring no block modifications.
Vehicle Fitment
- Porsche 996 Turbo
- Porsche 996 GT2
- Porsche 997.1 Turbo
- Porsche 997 GT2
Included Components
- 6 x Forged pistons (3x Left-Hand / 3x Right-Hand), 23mm pin, 9.4:1 compression ratio, 446g each
- 6 x Steel liners, Ø104mm bore, Ø107mm spigot (direct fit, no block modification required), 3894cc total displacement
- 6 x Piston ring sets
- 6 x Piston pins (23mm)
- 12 x Circlips for piston pins
Features
- Nikasil-coated forged alloy barrels / steel liners for perfect sliding characteristics
- Optimized pistons produced with special forging tools
- Desaxes (offset) pin design for LH/RH fitment reduces piston wear and engine noise by shifting contact side before TDC during compression buildup
- Weight and center of gravity optimized via FEM (Finite Element Method) calculations
- Special bridged piston design for optimal stability and longevity
- Sophisticated milling and treatment for weight reduction
- Deeper valve pockets (inlet large / outlet small) designed for use with high lift camshafts
- Special piston rings to minimize oil consumption and blowby
- Compatible with VarioCam Plus system
- Highly effective power upgrade for maximum power, torque, and agility
- Perfectly matched, high-performance components
- Developed and dyno-tested on RS-Tuning dynamometer
Performance Benefits
- Increased power and torque output
- Enhanced engine durability and reliability
- Reduced piston wear and engine noise due to offset pin design
- Lightweight, balanced pistons for improved engine dynamics
- Direct bolt-in fitment with no block modifications necessary
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
