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This header has the 6-port actuator pick-up tube & oxygen sensor position for use on a 1986-88 RX-7 13B.
Road Race Header (w/ 6-port actuator pick-up tube & oxygen sensor position for use on a 1986-88 RX-7 13B) - This model Road Race Header that we offer is intended to bolt-up to the Road Race Presilencer section. Please note: that this header is not compatible with the Street Port Center Section that we offer for the earlier 1984-85 RX-7 GSL-SE - only with the Road Race Presilencer section referenced above. This header is not compatible with the 1988-91 RX-7 convertible chassis equipped with the automatic transmission: the header outlet will make contact with the transmission case. Racing Beat's Road Racing Header is the first step in building a serious racing exhaust system. The engine-to-pipe flange is laser cut from 7/16" thick flat steel for superb exhaust gas sealing qualities. Like all of the headers we manufacture, the Road Racing Header is constructed with 2" OD mild steel tubing, .120" wall thickness, and mandrel-bent tubing throughout. This header weighs approximately 15.5 lbs and is approximately 28" in length. On the 1986-88 13B 6-Port engines, the auxiliary intake actuators are operated by back pressure from the exhaust system. This header features a back pressure pick-up tube that allows for the correct operation of the 6-port intake actuators. Also included on the header is an oxygen sensor position for cars that require an oxygen sensor for correct operation. Outlet flange gaskets, bolts, nuts, AC & CV cover plate, and installation instructions are included. An Engine-to-Header Gasket is not included, but is available separately if needed.
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