For blocks bored +.030 over size or 4.160" bore diameter. 3.980 Stroke
5/64" 5/64" 3/16" ring grooves. Ring brand depends on availability.
975" pin diam. - pins included
for stock length 6.490" rods / Float or Press fit pins
Description
L2303NF +.030 over size forged pistons and moly rings set compatible replacements for Ford 428 CJ. 4.160" bore diameter. Pistons feature .085" x 2.620" diameter dish. 4-valve reliefs; For Cobra Jet with Float or Press Fit Pins.