420SE 4.2 TVR/Rover V8 300 bhp 300HP Petrol

TVR 4XX Series 420SE

Representative TVR 4XX Series 420SE
420SE · 420SE 4.2 TVR/Rover V8 300 bhp 300HP Petrol. Tested and calibrated in-house in Cowbridge.
Stock Baseline
300 hp
Stage 1 Road Remap +24 HP GAIN
324 hp
Petrol Engine: Rover V8 / TVR-RV8-4228-LUCAS
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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