Sealed Power L2320F30: Pistons 350ci w/Outside Air Induction (W31), .030" Overbore Piston Dia.: 4.087"
Oldsmobile Stock-Type Pistons
Pistons 350ci w/Outside Air Induction (W31), .030'' Overbore Piston Dia.: 4.087'' Piston Top: Flat Top Pressed Pin Comp Ratio: 10.49:1 w/62.5cc Heads, 8.73:1 w/80cc Heads Ring Grooves: 5/64'', 5/64'', 3/16'' Set of 8