Leading A-Series engine specialist since 1981
Motorsport-grade main bearings to suit our range of steel crankshafts. These are more heavy duty than the ACL Duraglide 780 range of bearings.
There are options to suit 1275 A-plus engines with 1.750" big ends in standard and +10 sizes.
For Cooper S, Sprite/Midget and 998 engines with 1.625" big ends, select the Cooper S/998 option, also in standard or +10 sizes.