Fully jacketed exhaust riser with 6" of rise protection.
Direct replacement for Chrysler part # 2846689, OSCO 689, Sierra #18-1945 and Mallory # 9-40312.
Includes all pipe plugs, riser gasket and mounting bolts.
Chrysler V8 Small Block Riser, fits the Chrysler Model 273, 318, 340 & 360 CID engines (1966-1986)
Use with 18-1940 Manifold; 18-2941 Elbow Gasket (open), 18-0472-1 Elbow Gasket (blocked), 18-4360 Mounting Kit (open) and 18-8506 Mounting Kit (blocked); 18-1913 Elbow
CM-20-6674 uses Elbow Osco # 639 with a 3.0" outlet and a 90° down angle, and Elbow Barr # CM-20-6672 with a 3.0" outlet and a 20° down angle.
• Made in USA
• 3-year limited warranty