Early Rotary & 1975-85 Mazda RX-7 : Exhaust - Universal Parts
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Oil Pressure Regulator - Race 105-115 PSI
The Racing Beat High Performance Rear Oil Pressure Regulator interchanges exactly with the stock rear oil pressure regulator on all 1971-2008 12A, 13B, and 20B engines. This oil pressure regulator is designed to bypass at 105-115 PSI. (Pressure this... 
Intake Gasket - Engine-to-Manf - 74-5/ 81-5 12A
The 1974-75 and 1981-85 12A Engine-to-Manifold Mazda Factory gasket is intended to fit securely between the intake manifold and the engine. (Photo shown is of actual gasket)
If you are installing a Racing Beat Holley or Dellorto intake...
Road/Race Header Outlet Flange
This laser-cut flange can be used to fabricate a custom exhaust for use with the Racing Beat Road/Race Header. This two-hole flange measures 6" X 2-13/16" and features two 2" openings. This is the same flange that comes included on Racing Beat...
Unflanged Collector Assembly
Our Unflanged Collector Assembly allows additional flexibility in the assembly of either a long or short primary exhaust system. All three tubes are 2" O.D. mild steel tubing with a .125" wall thickness. Overall length is...
