Total Seal Street Piston Rings - 3.866 in Bore - Ford Powerstroke RSDFSC554DCC Heavy Duty one quarter in

Heavy Duty one quarter in

The PN 8910 will correct the operation of most voltage-triggered tachometers or fuel injection systems that do not work directly off the tach output terminal of the MSD Ignition Unit

The runner length and tapered cross section design will perform well for a wide range of engine combinations

Wing Slider Spud: 5 1/2" from top mount (center to center)

000 volt coil is recommended for use with Allstar Performance HP series distributors

Total Seal Street Piston Rings - 3.866 in Bore - Ford Powerstroke RSDFSC554DCC Heavy Duty one quarter inProduct Description: Piston Rings Street 3. 866 in Bore 2. 5 mm x 2. 0 mm in x 3. 0 mm Thick Standard Tension Steel Ford Powerstroke Total Seal's patented Gapless Piston rings provide increased performance through unmatched sealing of the cylinder and combustion gasses in the combustion chamber. Increased horsepower and torque along with longer engine life are just a couple of the reasons why Total Seal's Gapless A Piston rings are the best rings