Speed Pro Speed Pro Piston Forged 4.350" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.0 cc LY23171 with the stamped MOMO Heritage

with the stamped MOMO Heritage logo

1959-1959 Dodge P320 Series

Anodized and then engraved for precision measurements

1/8" Small Head Rivets Stainless Steel

Single wire activation by switching power or ground

Speed Pro Speed Pro Piston Forged 4.350" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.0 cc LY23171 with the stamped MOMO HeritageFully updated skirt profiles Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing. SPEED PRO POWERFORGED pistons are built to stringent specifications with a precision CNC machined dome and skirts and microfinished ring grooves. The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.