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online parts shop

proudly shipping from arizona, usa

Contact us : +1 480-361-9072 or

1129 E. Curry Rd Ste 4 Tempe, AZ  85281

Genuine ACL tri-metal road quality main bearing set for all pre-A+ 1275 large bore engines, and some 1098 engines using 2" mains like Spridget or Minors. These bearing are a quality replacement for any street engine, but for heavy competition use check out our range of ACL race bearings.


Avalible in STD, +.010, +.020, +.030, +.040, and +.060.


Will not fit "10CG" 1098 engines as used in some Spridget, Minor, and all Minis.

Main Bearing Set - 1275 (Pre-A+) / 1098 (10CC)

SKU: AEM91120

Pre-A+ 1275cc engines, "10CC" 1098cc engines using 2" mains.

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