This manifold has concave surface for use with “donut” gasket on down-fall pipe. Includes cast-iron manifold with stud and nut kit.
For manifold-to-head gasket, see part number 23025.
For exhaust “donut” gasket, see part number 9802.
For manifold bolt kits, see part number C0DE-554 (1963–65) or RLK1 (1966–67).