NPR Piston Rings Fit 97-04 Ford E-150 F150 Freestar Thunderbird 3.8 3.9 4.2 Serpentine Belt Rear length Inner Pad (mm):

Rear length Inner Pad (mm): 106

LOCATE AND REMOVE THE AIR LINE TO DEFLATE THE AIR SHOCK

Interchange Part Number: WBHA590573-K

\- Forged SAE 4340 Chrome Moly Steel for the highest strength and durability

NPR Piston Rings Fit 97-04 Ford E-150 F150 Freestar Thunderbird 3.8 3.9 4.2 Serpentine Belt Rear length Inner Pad (mm):NPR Piston Rings Fit 97 04 Ford E 150 F150 Freestar Thunderbird 3. 8 3. 9 4. 2. The piston rings are located inside of a cars engine. The piston rings main purpose is to assist in sealing the combustion chamber, manage the oil consumption of the engine, and to assist in transferring heat to the engine from the piston. It is important to note that the piston ring will eventually get worn out, which means youll have to replace it. Be sure to have your