The Performer Manifolds are dual-plane low-rise intake manifolds with a 180 degree firing order and patented runner design. This combination boosts torque over a wide RPM range from off-idle all the way up to 5500 RPM. The Performers are ideal for passenger cars boats tow vehicles and RV's. They accept late-model choke water neck alternator air conditioning brackets and have provisions for oil filler tube. They do not have provisions for Original Equipment Manufacturer (OEM) choke operation.
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