ACL Main bearings, 1275 2" mains.20 thou oversize. Heavy duty steel backed bearing for durability and long life. The bearings to use if you want it to last. The only bearings to use.
Motorsport-grade main bearings that are well suited our range of steel crankshafts. These are heavier duty than the ACL Duraglide 780 range of bearings, thanks to an extra heat treatment process. 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…
These are heavier duty than the ACL Duraglide 780 range of bearings, thanks to an extra heat treatment process. A-plus main bearings have a location tab in the centre of the bearing, which locates in the main bearing cap. They are plain on the bottom side and have an oil groove in the top bearing. Pre-A-plus bearings have all location tabs offset…