This is one aftermarket Cylinder Seal Kit AH78774
Each kit contains all the necessary components to "re-seal" one (1) cylinder.
Header Lift
S/N ....
Bore Size 2.125
Stroke: ---
Rod Diam 1.75
Rod Wiper MC metal clad wiper with urethane or rubber insert
Piston Seal ---
Rod Seal OR1B o-ring & 1 back-up ring
OEM Cylinder Part Numbers AH75409