Total Seal Classic Steel Advanced Profiling Piston Rings - 4.625 in Bore - File Fit - 8-Cylinder Computers a steel gear is installed

a steel gear is installed for compatibility with hydraulic roller camshafts

TIG welded - No epoxy

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the Brad Penn(R) Penn Grade 1(R) SAE 30 High Performance Oil offers excellent film strength and an effective detergency package and is a good choice for the legacy muscle car/street rod

Total Seal Classic Steel Advanced Profiling Piston Rings - 4.625 in Bore - File Fit - 8-Cylinder Computers a steel gear is installedProduct Description: Piston Rings Classic Steel 4. 625 in Bore File Fit 0. 043 x 0. 043 x 3 16 in Thick Standard Tension Steel 8 Cylinder 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