Replaces: 2846689, Barr CM-20-6674| Fits: Chrysler Model 273, 318, | 340 & 360 CID engines (1966-1986)| Use with: | Manifold: 18-1940| Riser Gasket: 18-2941 open or 18-0472-1 blocked | Mounting Kit: 18-4361 open or 18-4360 open or 18-8506 blocked