Hello, Specs are as follows: Head: Ported Standard valves (race seated) KM Cams 295 degree cams, 12mm lift Dual valvesprings with alu retainers Block: Around 12:1 in compression Forged Omega 95.5mm pistons Auto Verdi forged conrods Standard 2.4l Crankshaft Bespoke and designed in house ITB´s with 45mm Intake runners Bosch Green injectors Calculated equal length exhaust manifold with 2" runners 4-2-1 ECU: MaxxEcu v1 Bosch 044 fuelpump, running 98 octane petrol.