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:
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Banzai
Racing 13B, 13BT & 13B-REW Base Rebuild Replacement Parts List
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*Outer
Coolant Seals
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*Injector
Diffuser O-Rings (FC3s
ONLY)
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Inner Teflon® Encapsulated Coolant Seals
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*Crank
Angle Sensor O-Ring (FC3s
ONLY)
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*Inner
Rotor Oil Control Seals
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Tension Bolt Washers & *O-Rings
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*Outer
Rotor Oil Control Seals
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Front
Main Seal
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*Dowel
Pin O-Rings
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Rear
Main Seal
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*Rear
Stationary Gear O-Ring
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*Front
Bolt O-Ring
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*Oil
Crossover O-Ring
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FD3s
Corner Seal Springs
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| 2-Piece 2mm Hardened Apex Seals | *Corner Seal Plugs | |
| Apex Seal Springs |
Thermal Pellet Plug |
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| Side Seal Springs | *Oil Filter Pedestal O-Rings | |
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*Denotes
Upgraded to
Viton®
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Sample
Picture of Rebuild Components
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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.
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Additional
Options to Consider During Engine Rebuilds
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Transmission
Rebuild
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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.
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Your Rotary Engine & Turbo Specialists
