Sealed Power L2291F30: 390ci Stock-Type Pistons, .030" Overbore Piston Dia.: 4.080"
Ford Stock-Type Pistons
390ci Stock-Type Pistons, .030'' Overbore Piston Dia.: 4.080'' Piston Top: Flat Top, 4-Valve Reliefs Pressed or Floating Pin Comp Ratio: 10.00:1 w/67.1cc Heads, 9.91:1 w/68.0cc Heads Ring Grooves: 5/64'', 3/32'', 3/16'' Set of 8