Sierra 18-8526 Exhaust Manifold Mounting KitSierra Exhaust Manifold Mounting Kit for Chrysler Small Block V8 318-360 cu. in. Also for all Models 1966 & up with swivel & fixed exhaust. Sierra Marine aftermarket engine parts are manufactured to meet or exceed OEM specifications.Fits: Chrysler Small Block V8 318-360 cu. in.Fits: All Models 1966 & Up w/swivel & fixed exhaustUse with: 18-1940 Manifold; Interchangeable with: Mallory; 9-40371; Osco; 826-MK;