The next generation of HyperMax pistons is here!
These flat top Hypereutectic pistons feature as-cast valve reliefs that will accept up to .700" lift and use state-of-the-art low drag rings without sacrificing durability.
Available in .030 and .040 oversizes. Can be used with pressed or floating wrist pins.
9152500 Rings for UltraMax Flat Top pistons only. 1.2mm top, 1.5mm second and 3.0mm oil ring. Specify .030 or .040. 240,000 PSI top ring, 55,000 PSI second ring and an easy-install oil ring set.