A-B1825036-AI RING SET-STD model-36K450 PREMIER PRO while the CP-553 is the

while the CP-553 is the padfoot drum variant of the same machine family -- sharing the same drivetrain and hydraulic system architecture

Outer Diameter: 89

Fits Bobcat: 32061A

Fits Massey Ferguson Industrial/Construction models: 20

Arrowhead: IMI228

A-B1825036-AI RING SET-STD model-36K450 PREMIER PRO while the CP-553 is theOne New Aftermarket Replacement Standard Piston Ring Set Fits Briggs & Fits Stratton Engines This standard (STD) piston ring set is a direct aftermarket replacement Fits Briggs and Stratton gas engines. The rings seat in the piston grooves to create a combustion seal, maintain cylinder compression, and prevent oil from entering the combustion chamber. This is a standard bore set intended for use with standard (non oversize) pistons and cylinders.