H4

Short velocity stacks are ideal for engines putting out power at higher RPM (over 7,000) or when fitting inside an air filter. Fits HS4 or H4 1.5" SU.

Pair of rubber isolating spacers for vintage race Minis using period correct SU H4 carburetors. By eleminating vibration, helps to eliminate high rpm vibration-related misfires.

For vintage race Minis using period-correct SU H4 carburetors. Kit includes two float bowl extensions, four gaskets, and two longer bolts.

For vintage race Minis using period-correct SU H4 carburetors; these float bowl extensions with floats help to eliminate fuel surge on the track.