Cosworth 2.3 with 220bhp quoted at £8,188.84
Std pistons & conrods. 9:1CR
Cosworth 2.0 with 225bhp quoted at £9,124.84
Forged pistons & conrods. 12:1CR
280bhp available for £11,698. Forged pistons & conrods - 13:1 CR.
I would go for the first option in a road car.