XJR 4.2 V8 Supercharged 397HP Petrol

Jaguar XJ X350 / X358

Representative Jaguar XJ X350 / X358
X350 / X358 · XJR 4.2 V8 Supercharged 397HP Petrol. Tested and calibrated in-house in Cowbridge.
Stock Baseline
397 hp
Factory torque: 537 Nm
Stage 1 Road Remap +72 HP GAIN
469 hp
637 Nm (+100 Nm gain)
Petrol Engine: AJ-V8 / TB/TG
In-House Dyno Workshop: South Wales Dyno Centre in Cowbridge (12 miles from Barry · 15 miles from Cardiff). Pre-tune health checks, smoke testing and rolling road logging included.

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