− Decrease quantity for Pistons, Pro Tru Street Pistons, 4.310 in. Bore, Forged, Dome, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 7.4L, Kit Quantity + Increase quantity for Pistons, Pro Tru Street Pistons, 4.310 in. Bore, Forged, Dome, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, 7.4L, Kit Add to cart