Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E377X MT-ANT-BRONCO-AL high capacity HP bowls which

high capacity HP bowls which feature 20% more fuel capacity to eliminate starvation

Fork opening 2

to prevent premature stretch and failure

These can be run shaft up or shaft down and a snap ring groove has also been added to allow the use of a coil-over kit

Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E377X MT-ANT-BRONCO-AL high capacity HP bowls whichProduct Description: Piston Rings Economy 4. 000 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