PRODUCT DESCRIPTION
Fits: Mopar Big Block RB
Eng. Disp. In. 440
Eng. Disp Liters 7.2
Year Range 1966-1979
Bore (in) 4.32
Bore (mm) 109.7
Stroke (in) 3.75
Stroke (mm) 95.3
Oversized Yes
Ring Pack 1/16, 1/16, 3/16
Top Land .260
Pin Number 1.094x3000
Pin Type Press or Floating
Pin Diameter (in) 1.094
Pin Diameter (mm) 27.8
Lock PRF116
Compression Height IN 2.067
Compression Height MM 52.5
Crown (cc) +4.5cc
Alloy 2618
Compression Ratio 75-11.2, 78-10.9, 88-9.9
ICON premium forged pistons are made from high-strength, heat-treated T-6 2618 primary aluminum alloy. They feature a diamond-machined skirt, head, mini-grooves, pin bore, gas accumulator, ring grooves, and pressure-drilled pin hole oiling. The pistons have a V-rib design for light weight, strength, and maximum piston cooling. Compare weight, performance, design, and cost—and you will win with ICON!
