Set of "Conrod" or "Big End" Bearings.
Quality ACL brand.
This set suits 1275's with a 1.750" Conrod Journal (A+, 1100s, or Metro Cranks).
Some casting numbers these suit are: 12G 1505 CAM 6232
Also available in Standard, +.010", +.020", +.030", and +.040"
This set is standard size.