
Aluminium Cylinder Head for MGB or BL Bseries engine.
Suppliued BARE with no valves or springs
Up to 70% lighted than the stock iron head, not prone to cracking and significantly better heat dispersal. Assembled with hardened valve seats for use with unleaded fuel.
Valve seat sizes are
Intake 1.56 inch
Exhaust 1.34 inch
Please note that picture is of fully assembled head. The bare head is supplied without valves or springs