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 Available in Standard, +.010", +.020", +.030", and +.040".
These are .010" oversize.