Sanderson SBC Ceramic Longtube Headers '64-77 Chevelle, Malibu, El Camino. Like new condition, but missing hardware/collectors. Expect some small scratches/marks from shipping. See pictures. PN# C12-SEC $375 plus shipping. Cashiers check or money order. Engine : Small Block Chevy 265-400ci Fits Straight Plug or Angle Plug Heads Primary Tube Diameter : 1¾" Collector Diameter : 3"