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ACL bearings are of one of the highest quality bearings available on the market along with Mahle, both of which are used in all our builds.
Available in STD, +010, +020 and +030.
These bearing are only suitable for Cooper S, Midget and Sprite big ends which measure 1.625 inch.
Other sizes are available, get in touch if your crankshaft has been ground bigger than +030.