Boss Adapter Kits
Copyright © Springalex 2025
Springalex manufacture bosses
for “Classic Cars” in our own
workshops in the UK
We manufacture various exciting styles of bosses listed below:
1/New! 2014 “SPR” is a solid casting to fit a new range of Classic type wheels
with a smaller centre. These bosses come in either black or polished anodized
finish. Covering most of the “British Classic Crs” e.g. MG, triumph, Land rover
etc. Plus a vriety of European cars.
2/ Traditional type “SB” with dual holes fitting for 9 holes and 6 hole wheels on
a 100mm PCD. These are the aluminium castings, painted black and come
with centre cap and screw fittings etc.. Plus a small selection of polished
bosses.
3/ Traditional type boss “SBP” 9 hole fitting only 100mm PCD. This boss
comes in “POLISHED” covers a selection of the popular classic range. See
application list.
4/ Sports types come with 70mm PCD hole fittings. These come in different
formats.
a/ Is prefixed with “M” collapsible type with corrugated rubber boot. Mainly
used for more modern cars. BUT! Used on classic cars which need a taller
boss.
b/ This boss “KK” is a two piece casting which comes in a Black finish or
the short collapsible boss with rubber boot. These also cover more
modern cars. Collapsible bossess fit 70mm and 74mm PCD SPRINGALEX
WHEELS.
