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 5/64, 5/64, 3/16
Top Land .270
Pin Number 1.094x3.000
Pin Type Press or Floating
Pin Diameter (in) 1.094
Pin Diameter (mm) 27.8
Lock PRJ100-3
Compression Height IN 2.067
ICON Pistons have introduced a new forging line—the FHR (Forged Head Relief) Series. This new line features VMS 75 alloy, true arc-style lock rings, broached pin holes, breakthrough oil returns, and matching ring packs—all designed to be easy on your wallet! In addition, most flat-top, dish, and dome styles are available in an offset pin design, which will help to quiet those street motors. ICON FHR Series pistons are offered for a wide variety of specific make/model and engine applications.
Compression Height MM 52.5
Crown (cc) +5.6cc
Alloy 4032
Compression Ratio 72-11.5, 80-10.6, 90-9.7
