Total Seal Classic Steel Advanced Profiling Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - 8-Cylinder Fuel Tank Fill Hose Performer 351-4V is designed for

Performer 351-4V is designed for street 351C and Boss 351 Fords that came stock with 4V carb and heads

Mounting bolts face the seat

6-1/4 in Deep Pan

We offer horn buttons that show the nine bolt pattern design (as seen here) for a high tech performance look or you can dress it up with a larger style GT9 horn button that covers the nine bolt pattern and gives it a smooth elegant appearance

Total Seal Classic Steel Advanced Profiling Piston Ring Set - 4.135 in Bore - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - 8-Cylinder Fuel Tank Fill Hose Performer 351-4V is designed forProduct Description: Piston Rings Classic Steel Advanced Profiling 4. 135 in Bore 1. 2 x 1. 5 x 3. 0 mm 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