Premium Forged Series Pistons

Forged from 2618 or 4032 alloy, Premium series include all of the features of FHR pistons with the addition of precision, CNC-machined valve reliefs and crown, pressure fed oiling, and skirt and pin boss struts for added durability. Pistons listed accept 1/16″ (top), 1/16″ (second), and 3/16″ (oil) rings unless noted. Sets of eight include wrist pins and spiral locks

• Piston – Domed – Forged – 4.290 in Bore – 1/16 x 1/16 x 3/16 in Ring Grooves – Plus 18.00 cc – Big Block Chevy – Set of 8 – Brand: Icon Pistons – Part Number: IC779.040

Specifications

Brand Icon Pistons Part Number IC779.040 Product Line Premium Forged Bore 4.290 in Style Dome Material Style Forged Compression Height 1.645 in Volume Plus 18.00 cc Wrist Pin Included Yes Wrist Pin Style Floating/Press Wrist Pin Diameter 0.990 in Wrist Pin Length 2.750 in Gas Ported No Top Ring Groove Thickness 1/16 in 2nd Ring Groove Thickness 1/16 in Oil Ring Groove Thickness 3/16 in Rings Included No Alloy 2618 Material Aluminum Finish Natural Quantity Set of 8