Old Part Numbers: K133This air compressor pump ring kit includes rings for two pistons. Order two sets for v-twin air compressor pumps. Stagger rings and hone cylinders.  Replace if the pump is losing compression or using too much oil.Technical...

Old Part Numbers: L21K, 310-1001-01Replace this if worn or damaged. Torque to 120 in lbs. (Includes bearing shell inserts). NOTE: These new-style rods will install on old-style (non-bearing insert) pumps, as well as on the new-style pumps! For older...

Old Part Numbers: 220-1079If your D or G pump ran dry and ruined the crank, then order this plus connecting rods. Torque connecting rods down to 125 in lbs.

Yellow handle grip. Keeps your hands from slipping off.

Replacement bearing shells for connecting rod. (order 2 for each connecting rod) Works with old style (non-bearing) and new style.

NOTE: For units made BEFORE 2003. If your pressure switch is leaking at the unloader valve, replace this part.