Under the Bonnet (100/4 Large)
HIGH FLOW TWIN SU AIR FILTER (100/4)
A more modern design fitting directly to the carbs, which not only filters the air considerably better it does not loose any horsepower.
Our tests have shown a standard BJ8 to gain 6 BHP when using these over the original type.
100/4 LARGE AIR BOX
Fabricated in-house from thick aluminium to with stand vibration and cracking.
These allow fitment of ram pipes inside and do not obstruct air flow for the serious competitor.
100/4 LARGE CARBURETTORS
H8 2” Carburettors. The only 2” SU’s with the correct float chamber angle that fits with that correct period look.
100/4 INLET MANIFOLDS (LARGE)
Similar to the 100M manifolds although opened out to 2” to suit the 2” SU’s and gasflowed.
SU RAM PIPES
Full radius aluminium spinnings welded to thick flanges. Suitable to attach direct to the SU or fit inside our large air box.
4.5" FLEXIBLE AIR PIPE
The correct diameter to suit our air box adaptor and long enough to butt-up to the grill to get max cold air.
Manufactured in canvas with wire it gives a period look.

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