Piston: Specifications

Piston Bore Diameter of:
3.7764-3.7770 inch Coded Red Service Piston Required
3.7776-3.7782 inch Coded Blue Service Piston Required
Piston Pin Bore Diameter 0.9123-0.9126 inch
Compression Ring Groove Width (Top) 0.080-0.081 inch
Compression Ring Groove Width (Bottom) 0.080-0.081 inch
Oil Ring Groove Width 0.188-0.189 inch
Piston Pin Length 3.010-3.040 inch
Piston Pin Standard Diameter 0.9118-0.9124 inch
Piston Pin 0.001 Oversize 0.9130-0.9133 inch
Piston Pin 0.002 Oversize 0.9140-0.9143 inch
Piston-to-Pin Clearance 0.0003-0.0005 inch
Pin-to-Rod Clearance Interference Fit