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Engine-to-Header Gasket - 1984-92 13B 6-Port Engine - This gasket is required to mount when mounting a header or exhaust manifold to a 1984-92 13B (6-Port Intake) rotary engine, or a 20B 3-rotor engine (2 needed -...
The Mazda Factory Upper/Lower intake gasket sandwiches between the upper and lower stock intake manifold sections on a 1984-85 13B GSL-SE 6 Port engine and is also compatible with the Racing Beat Top Side draft Manifold section.
Racing Beat Holley Manifold
1984-92 13B 6-Port Engines
Production Status Update: Due to a COVID outbreak at the local foundry these 6-port manifold castings have been on an extended backorder since September 2020. Apparently the local shop was hard...
The Mazda Factory Intake Water O-Rings are designed to mount between the intake manifold and the engine.
Sold individually, two (2) required per intake manifold.
1974-78 13B 4 Port Engines
1974-85 12A engines