Suitable for all A+ Engines from 1275 to 1380cc. 11 stud.
37.2mm x 31mm offset exhaust valve for increased flow, Outright Race head 1.5" inlet ports maximised fully throated with raised inlet tract for maximum air flow Optimised exhaust ports.spec. and flo bench tested assured for maximum air flow.
NB- Availability of parts could result in change of specification once undertaken
