Pontiac Firebird Engine Piston Replacement

1 Piston 3 Ring Piston 1.540 (in) Compression Distance 0.110 (in) Deep x 3.115 (in) Diameter Recess Cast Iron with 8.5 :1 Compression Ratio Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Sold Individually Standard

1 Piston 3 Ring Piston 1.548 (in) Compression Distance Hypereutectic Alloy Piston with Recessed Head & 4 Valve Relief Clips Not Included Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) DUROSHIELD Skirt Coated Piston with Machined Circlip Grooves Sold Individually Standard

1 Piston 3 Ring Piston 1.548 (in) Compression Distance Flat Head Piston with 4 Valve Reliefs Hypereutectic Alloy Piston Clips Not Included Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) DUROSHIELD Skirt Coated Piston Designed for Performance or Regular Duty Operation with Machined Circlip Grooves Sold Individually Standard

Size 0.030in Piston w/o Rings; Sold as a single Skirt Coated Compression 1.548in Piston Top Recessed w/ 4 Valve Reliefs Piston Qualifier UCR - 5/64in, LCR - 5/64in, OCR - 3/16in

Size 0.040in Piston w/o Rings; Sold as a single Skirt Coated Compression 1.548in Piston Top Recessed w/ 4 Valve Reliefs Piston Qualifier UCR - 5/64in, LCR - 5/64in, OCR - 3/16in

1 Piston 3 Ring Piston 1.328 (in) Compression Distance Flat Hypereutectic Alloy Piston Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm) DUROSHIELD Skirt Coated Piston Sold Individually Standard