Crusader 3 in. Log Style Exhaust Elbow | Barr Marine CR-20-98068 Direct replacement exhaust elbow fits many older Crusader marine engines. Barr Crusader 3 in. exhaust elbow Includes gaskets and pipe plugs Cast iron Painted blue Fits Crusader V8 big block 454 and 502 cu. in. marine engines up to approximately 1991 Fits Crusader V8 small block 283, 305, 307, 307, 327, and 350 cu. in. marine engines up to approximately 1991 Replaces Crusader 96068 Replaces Osco 8068