Edelbrock Performer 318 w/ O EGR ManifoldEdelbrock part #2176 Performer intake manifold is designed for street 318 340 360 c. i. d. Chrysler V8's. This manifold is not for use on marine engines used in salt water. Will not fit 1992 and later Magnum engines. Edelbrock's Patented Dual plane, low rise design with a 180 degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off idle through 5500rpm. This Performer intake manifold is ideal for