Rotary Engine Rebuild Services 

Base 13B short block rotary engine rebuilds starting at $1400

Banzai Racing rebuilds all Mazda RX-7 FC3s, FD3s & Cosmo rotary engines using upgraded heat resistant Teflon® Encapsulated Coolant Seals, and Viton® Oil Control Seals and O-Rings. We use RWS 2-piece 2mm Apex Seals, that have 700% more bending strength and are 85% harder than other after-market competitors. Additionally, we use all new Apex Seal Springs, Side Seal Springs, Corner Seal Springs. We upgrade to FD3s Corner Springs on all 13B & 13BT rebuilds. Parts replaced and/or upgraded during the engine rebuild include:

Banzai Racing 13B, 13BT & 13B-REW Base Rebuild Replacement Parts List
*Outer Coolant Seals
*Injector Diffuser O-Rings (FC3s ONLY)

 Inner Teflon® Encapsulated Coolant Seals
*Crank Angle Sensor O-Ring (FC3s ONLY)
*Inner Rotor Oil Control Seals
 Tension Bolt Washers & *O-Rings
*Outer Rotor Oil Control Seals
 Front Main Seal
*Dowel Pin O-Rings
 Rear Main Seal
*Rear Stationary Gear O-Ring
*Front Bolt O-Ring
*Oil Crossover O-Ring
 FD3s Corner Seal Springs
 2-Piece 2mm Hardened Apex Seals *Corner Seal Plugs
 Apex Seal Springs

 Thermal Pellet Plug

 Side Seal Springs *Oil Filter Pedestal O-Rings
*Denotes Upgraded to Viton®
Sample Picture of Rebuild Components

As a service to our rebuild customers, we provide web-pages with photographs taken during all phases of the engine breakdown and rebuild. Click Here for example.

Included in the cost of all engine rebuilds, we will paint the short-block components any combination of colors per customer's request. Click Here for examples and more information.

All Banzai Racing rebuilt engines are backed by our 12-Month warrantee. Click Here for more information.

Additional Options to Consider During Engine Rebuilds
Transmission Rebuild

If you would like a quote or information regarding shipping your engine to/from our facility in Indiana, please click here.

We are more than happy to discuss the best options for your application. Please contact us for a rebuild or shipping quote.

Click Home Button if necessary to Reload Our Homepage

Your Rotary Engine & Turbo Specialists