306 GTI-6 Stage 4 Tuning Package

Stage 4 tuning package for the XU10J4RS engine in the Peugeot 306 GTI-6 & Citroen Xsara VTS. Developed for ultimate performance, whilst retaining the factory hydraulic lifters, this versatile package can be used for road, track day, rally, and race. Although the only specialist area of this build is in the camshaft timing, we recommend that it is carried out by a trained professional. Mapping on a dyno will be required for this package.

This package includes:

• 4903112 Cat Cams
• Maniflow Race 4-2-1 manifold
• 45mm - 50mm AT Power or 45mm Jenvey Throttle Bodies
• Fuel rail with mounting brackets
• Air horns
• Jenvey Inlet Manifold with all required fixings
• Throttle Position Sensor
• Throttle linkage & bracket
• Forged High Comp Wossner Piston and Rod set
• One-piece Cat Cam inlet valve kit
• One-piece Cat Cam exhaust valve kit
• Cat Cams double valve springs and retainers
• NGK 14mm performance spark plugs
• Bosch 412cc injector set
• Optional Emerald K6+ ECU Kit with or without adapter
• Optional Vernier cam pulleys
• Optional Air Filter & Backplate

Using this package, we typically see results of up to 240bhp at 7800rpm / 180.7lb-ft at 6700rpm at the flywheel.

If you are planning a 2.1 litre build with 88mm crankshaft, please contact us for a bespoke package.

Picture for illustration purposes only - actual parts may differ from those shown.

The estimated dispatch time is within 10 working days.