JE Pistons 4310-193 Oil Rail Support 4.310" Min Bore 4.349 Max .193 Radial Depth

Oil Rail Support, 4.310 in. Min Bore, 4.349 in. Max Bore, 0.193in. Radial Depth JE Oil Rail Supports feature a special locking detent to prevent rotation of the oil rail and keep the rail support gap 90? from the pin bore opening on the piston. This JE exclusive feature prevents the rail from rotating in the oil ring groove. Oil Rail Supports prevent the oil ring rails from spiraling off of pistons with short compression distances. Special locking detent to prevent rotation of oil rail and keep the rail support gap 90 degrees Prevents the rail from rotating in the oil ring groove