Speed Pro Economy Piston Rings 4.360" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron 23011706 Revolutionary design provides two independent

Revolutionary design provides two independent pressure adjustments

These engines were factory equipped in GM full-size trucks

Works with Factory Sensor (3/8" NPT Female Port) & Bleeder (1/8" NPT Female Port)

Power Steering / Air Conditioning

Speed Pro Economy Piston Rings 4.360" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Iron 23011706 Revolutionary design provides two independentProduct Description: Piston Rings Economy 4. 360 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 8 Cylinder From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers