Description:

Complete refurbished and modified full race cylinder head ready to fit.

46mm inlet valves with 8mm stems and +1mm exhaust valves with 9mm stems. Bronze guides, unleaded seats, race spring kit, race cam followers and pair of CatCams JEA20 12mm race cams shimmed and ready to use. All parts new.

62mm long inlet adaptors dowelled to matched inlet manifold which is dowelled and matched to head. Bore of adaptors at face is 48mm so can be used with 48mm carbs and Misab "O" ring plates or 50mm carbs with tapered bore twin "O" ring alloy plates.

Exhaust ports enlarged to suit and matching exhaust flanges supplied.

Compression ratio approx 11:1 with Cosworth or equivalent JE pistons leaving enough thickness for future rebuild skimming.

Engines with this spec head have given the following bhp on Mass Racing's engine dyno:

with 48DCO/sp - 190+

with 50DCO/sp - 195+

Keyword Search Terms:

Alfa Romeo engine cylinder head race 105