Icon Premium Forged Piston - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 18.00 cc - Big Block Chevy - Set of 8 IC777.030 Aviation Communications Housings are CNC-machined 6061-T6 aluminum

Housings are CNC-machined 6061-T6 aluminum with an upper support bearing to provide accurate timing at higher RPM

Freeze Plugs

The use of aftermarket (non-OEM) fan spacers are not recommended and will void the warranty of the water pump

Comes w/bolt

Icon Premium Forged Piston - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 18.00 cc - Big Block Chevy - Set of 8 IC777.030 Aviation Communications Housings are CNC-machined 6061-T6 aluminumProduct Description: Piston Premium Forged Forged 4. 280 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 18. 00 cc Big Block Chevy Set of 8 Icon Pistons brings the same quality and performance you've come to expect from United Engine brands. ICON forgings are created at our in house facility, utilizing the latest innovations in piston forging technology. Each ICON piston is purpose built from the ground up for extreme high performance street or racing