We offer a Racing Beat-engineered and modified Holley Carburetor Intake Kit for all 1984-91 13B Stock Port (non-ported) 6-Port engines. Racing Beat-Modified High Performance Holley Intake Systems, manufactured for more than 30 years, have established themselves as an ideal way to increase the horsepower output of the 13B rotary engine at a very ...

We offer a Racing Beat-engineered and modified Holley Carburetor Intake Kit for all 1984-92 13B Stock Port (non-ported) 6-Port engines. Racing Beat-Modified High Performance Holley Intake Systems, manufactured for more than 30 years, have established themselves as an ideal way to increase the horsepower output of the 13B rotary engine at a very ...

We offer a Racing Beat-engineered and modified Holley Carburetor Intake Kit for all 1984-92 13B Stock Port (non-ported) 6-Port engines. Racing Beat-Modified High Performance Holley Intake Systems, manufactured for more than 40 years, have established themselves as an ideal way to increase the horsepower output of the 13B rotary engine at a very ...

We offer the extremely popular Racing Beat-modified High Performance Holley Intake System Kit for the 1987-91 RX-7 TURBO II 13B rotary engine configured without a turbocharger and ported with our street port intake/exhaust configuration.

All of Racing Beat’s 13B intake manifolds for Holley carburetor applications are sand-cast by a local foundries and delivered to our in-house production shop for all machining and surface finishing processes. Select manifolds are then hand-ported to match a specific intake port configuration for an intended engine application.

We offer the extremely popular Racing Beat-modified High Performance Holley Intake System Kit for the 1987-91 RX-7 TURBO II 13B rotary engine configured without a turbocharger and ported with our street port intake/exhaust configuration.

The Racing Beat-designed and manufactured Peripheral Port Intake Manifold mates a Weber 48 IDA or 51 IDA downdraft carburetor, or equivalent throttle body, to the Racing Beat-manufactured 13B peripheral port housings.

CXRacing LOWER Aluminum Sheetmetal Intake Manifold For 85-91 Mazda RX-7 FC 13B TURBO 2 Rotary Engine 4 Ports. To be Used with FD REW UPPER INTAKE. CNC Made Fuel Rail, Injector Base, Top and Bottom Flanges. TIG Welded Aluminum Design Designed with Large Secondary Runners for Extra Airflow Under Extreme Boost and Spool Up

The Racing Beat-designed intake manifold for the 1984-91 13B 6-Port rotary engine is ideally suited to meet the performance requirements of the Holley carburetor. Designed by Chief Engineer/Engine Builder Jim Mederer, these cast aluminum intake manifolds have proven themselves in a variety of RX-7 street or custom race applications.

The Bönez Air Intake kit for the 13B replaces the restrictive stock air box with an unique K&N style cone filter which utilizes a funnel design to increase the surface area for better air flow than standard cone filters.