Genuine Mazda 20B 3-Rotor Rotary Engine – RE Cosmo / RX-7

Description

Genuine Mazda 20B 3-Rotor Rotary Engine

RE Cosmo / RX-7 Conversion

Price: $7,000 USD / $9,800 AUD
Condition: Inspected – Unassembled
Availability: In stock
Shipping: Worldwide

Description

Offered for sale is a genuine OEM Mazda 20B 3-rotor rotary engine, an extremely rare and highly sought-after powerplant originally found in the Mazda RE Cosmo. This engine is suitable for RE Cosmo restorations as well as RX-7 and custom rotary conversions.

The engine has been fully stripped, professionally inspected, and precisely measured in our workshop to confirm integrity and completeness. All major components are present. Fasteners (bolts, screws, etc.) have not been assembled, allowing the buyer to complete final assembly to their own specifications—ideal for performance builds or concours-level restorations.

This is not a replica or aftermarket unit—it is an authentic Mazda 20B, making it a rare opportunity for collectors and serious rotary enthusiasts.

Key Features

• Genuine OEM Mazda 20B rotary engine

• 3-rotor configuration

• Original, authentic unit (not a replica)

• Fully stripped, inspected, and measured

• Complete engine package as shown

• Ideal base for rebuild, high-performance build, or restoration

• Extremely rare and collectible rotary engine

What’s Included

• Complete 20B engine assembly

• All major components present

• Engine sold exactly as shown in photos

Shipping & Terms

• 📦 Worldwide shipping available

• 📍 Secure packaging for international transport

• Serious inquiries only

For additional details, shipping quotes, or verification photos, please contact us directly.