JDM rotary engine

Showing 1–16 of 22 results

13B 6-Port Bridgeport Rotary Engine – High RPM Performance Build
$2,500.00
The 13B 6-Port Bridgeport is a serious rotary performance build designed for drivers who want more than a stock 13B can deliver. This engine features a professionally executed full Bridgeport on the 6-port 13B platform, completed entirely in-house with precision machining and careful attention to port geometry.

Bridgeporting is one of the most recognized modifications in the rotary world, offering increased airflow and improved high-RPM breathing. The result is a more aggressive powerband, stronger top-end performance, and the unmistakable sound that has made bridgeported rotary engines legendary among enthusiasts.

Whether you’re building a dedicated drag car, a track-focused RX-7 or RX-8, or a high-performance street machine, this engine provides a solid foundation for naturally aspirated or custom performance applications where airflow and RPM capability are priorities.

13B 6-Port Bridgeport Rotary Engine – High RPM Performance Build
13B Rotary Engine Available – Limited-Time Price Reduction | Rebuilt Street Port 13B for Mazda RX-7 FB
$2,500.00
If you’re searching for a proven rotary engine for your Mazda RX-7 FB project, this 13B Rotary Engine Available – Limited-Time Price Reduction is a fantastic opportunity. Built using a carefully selected combination of desirable early and late-model Mazda rotary components, this rebuilt 13B offers the performance, reliability, and rotary character enthusiasts demand.

Featuring a street-ported 4-port configuration, strong compression numbers, low mileage since rebuild, and upgraded 3mm apex seals, this engine is ideally suited for street-driven RX-7s, weekend performance cars, restoration projects, and custom rotary builds.

Compatible with Mazda RX-7 FB models from 1979–1985, this engine includes both a clutch and flywheel, providing additional value and helping simplify installation. Whether you’re replacing a tired original engine or upgrading to a stronger rotary setup, this rebuilt 13B delivers the perfect blend of classic rotary performance and modern reliability.

For enthusiasts who appreciate authentic Mazda rotary engineering, opportunities like this are becoming increasingly rare.
13B Turbo II Performance Build – Dowel Pinned & Bridgeported | High-Performance Mazda RX-7 Rotary Engine
$2,000.00

If you’re searching for a serious rotary engine built to handle aggressive power goals, the 13B Turbo II Performance Build – Dowel Pinned & Bridgeported delivers the airflow, durability, and performance foundation enthusiasts demand. Based on the legendary Mazda 13B Turbo II platform found in the FC RX-7, this professionally prepared engine has been upgraded with performance-focused modifications designed to maximize horsepower potential while maintaining reliability under demanding conditions.

Featuring dowel-pinned irons, a fully bridgeported intake configuration, and semi-peripheral port enhancements, this engine is engineered for enthusiasts seeking exceptional top-end performance, aggressive throttle response, and a proven platform for high-boost turbocharged applications.

Whether you’re building a dedicated drag car, a competitive street machine, or a custom rotary-powered project, this engine provides a strong foundation capable of supporting serious performance goals.
13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine
$2,500.00
13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine13B Turbo II Streetported & Dowel-Pinned Engine – Boost-Ready Mazda Rotary Performance Engine

The 13B Turbo II Streetported & Dowel-Pinned Engine is a proven performance upgrade for rotary enthusiasts seeking the perfect balance between street manners, reliability, and serious turbocharged power potential. Built around Mazda’s legendary 13B Turbo II platform, this engine features two of the most desirable modifications in the rotary world: professional streetporting and dowel pin reinforcement.

Designed for enthusiasts who want faster spool-up, improved airflow, stronger top-end performance, and enhanced engine integrity under boost, this engine provides an outstanding foundation for both street-driven and track-focused builds.

Whether you’re restoring an FC RX-7 Turbo II, building a custom rotary project, upgrading an existing setup, or preparing for future power goals, this engine delivers the performance characteristics that have made the 13B Turbo II one of the most respected rotary powerplants ever produced.

The combination of streetporting and dowel-pinning creates a highly desirable package that improves airflow while helping maintain engine stability under demanding conditions. The result is a rotary engine that retains excellent drivability while offering significantly increased performance potential.
1988–1991 Mazda RX-7 FC3S Turbo Engine
$2,200.00
1988–1991 Mazda RX-7 FC3S Turbo Engine – 13B-T Rotary Engine 1988–1991 Mazda RX-7 FC3S Turbo Engine — genuine 13B-T rotary engine designed for the second-generation RX-7 (FC3S). A great choice for restoration projects, engine replacements, JDM builds, and performance applications. Key Features – Vehicle: Mazda RX-7 FC3S – Model Years: 1988–1991 –…
1988–1991 Mazda RX-7 FC3S Turbo Engine (For Rebuild )
$1,200.00

This listing is for a 1988–1991 Mazda RX-7 FC3S Turbo engine – a complete 13B turbo rotary core that is being sold strictly for rebuild or parts purposes. This is not a running engine. The condition of the engine is unknown, and it should be assumed that a full rebuild will be required prior to installation or operation. This engine is not guaranteed to run. It is being sold as-is, where-is, with no warranty, no returns, and no exchanges. The buyer is responsible for inspection, transport, and rebuild.

Now, with that honest disclaimer out of the way, let us talk about what this engine actually is and why it matters.

The 1988–1991 Mazda RX-7 FC3S Turbo is one of the most celebrated rotary-powered sports cars ever built. The 13B turbo engine that powered these cars is legendary in the JDM performance community. It is the engine that defined a generation of rotary enthusiasts. It is the engine that has been used in countless drift cars, track cars, and street builds. It is the engine that still commands respect on the road and on the track.

This particular engine is a complete core. It includes the major components you would expect – the block, the rotor housings, the turbocharger, the intake manifold, and the exhaust manifold. It is missing some parts, but it is a solid foundation for a rebuild project.

This engine is not for everyone. It is for the builder. It is for the enthusiast who understands that the 13B turbo is worth saving. It is for the person who is willing to put in the time, money, and effort to bring a legendary engine back to life.

If you have been searching for a genuine 1988-1991 Mazda RX-7 FC3S Turbo engine for your restoration
20B with a Borg Warner 300SX-E Turbo, ZF 8HP Trans & Link FuryX ECU/Razor PDM – Fully Built Street Rotary Engine For Sale
$10,000.00
If you’re searching for the ultimate street-ready rotary engine, this 20B with a Borg Warner 300SX-E turbo, ZF 8HP trans, and Link FuryX ECU/Razor PDM in control is built to exceed expectations. Combining legendary Mazda rotary engineering with modern electronics and premium performance components, this complete package delivers exceptional power, reliability, and drivability.

Designed for enthusiasts who demand more than just horsepower, this professionally assembled 20B street engine incorporates proven CNC machining, upgraded internals, advanced engine management, and one of the industry’s most respected turbocharger combinations. Whether you’re building a high-performance RX-7, RX-8, custom drift car, or a one-of-a-kind street machine, this setup provides the ideal foundation.

Every component has been selected with performance, longevity, and ease of tuning in mind, making it suitable for serious street use while remaining capable of supporting demanding motorsport applications.
JDM 20B REW 3-Rotor Twin-Turbo Mazda Eunos Cosmo Engine for Sale | Genuine 20B Rotary Engine with Automatic Transmission
$9,800.00
If you’re searching for one of the most legendary rotary engines ever produced, the JDM 20B REW 3-Rotor Twin-Turbo Mazda Eunos Cosmo Engine is an exceptional opportunity. Highly sought after by collectors, performance enthusiasts, and professional builders, the 20B REW is widely regarded as the pinnacle of Mazda’s production rotary engine technology.

Originally found in the 1990–1995 Mazda Eunos Cosmo, this genuine JDM powerplant features a factory 3-rotor sequential twin-turbocharged configuration paired with its original automatic transmission. Renowned for its smooth power delivery, unmistakable rotary sound, and enormous tuning potential, the 20B REW remains one of the rarest and most desirable Mazda engines ever built.

Whether you’re planning a high-end engine swap, restoring a classic Eunos Cosmo, or building a one-of-a-kind RX-7, this complete 20B engine package provides an authentic foundation for your next project.
JDM Mazda RX-7 FC 13B Rotary 1.3L Engine + 5-Speed Manual Transmission for Sale | Complete Engine Swap Package
$1,800.00
If you’re searching for an authentic rotary powertrain for your Mazda RX-7 project, this JDM Mazda RX-7 FC 13B Rotary 1.3L Engine + 5-Speed Manual Transmission package is an excellent opportunity. Removed from a Japanese-market RX-7 FC, this complete drivetrain package offers enthusiasts, restorers, and performance builders access to one of Mazda’s most iconic rotary engine platforms.

The legendary 13B rotary engine is known for its lightweight design, smooth high-revving characteristics, and endless performance potential. Whether you’re restoring an FC3S RX-7, replacing a worn-out powertrain, or planning a unique rotary engine conversion, this package provides a solid foundation for your next build.

Featuring a genuine JDM 13B rotary engine paired with a matching 5-speed manual transmission, this setup delivers the authentic driving experience rotary enthusiasts appreciate. It’s a highly sought-after combination among Mazda collectors, rotary tuners, and motorsport builders worldwide.
Mazda 10A Twin Wankel Rotary Engine – Used, Running Condition
$1,500.00
Mazda 10A Twin Wankel Rotary Engine – Used, Running Condition

If you’re searching for an authentic classic Mazda rotary engine, this Mazda 10A Twin Wankel Rotary Engine – Used, Running Condition is an excellent opportunity to own one of the most iconic rotary powerplants ever produced.

Known for its lightweight design, smooth high-RPM operation, and unique rotary engineering, the Mazda 10A engine played a major role in establishing Mazda’s reputation among automotive enthusiasts worldwide. This particular engine was removed in running condition and remains a desirable option for restorations, vintage Mazda projects, rotary conversions, or collectors seeking a genuine period-correct powerplant.

The engine comes complete as pictured, including major external components such as the carburetor, ignition system, starter motor, and cooling system parts. Mounted on a sturdy metal frame for easier transport and handling, this unit offers a solid foundation for enthusiasts looking to preserve or revive a classic rotary-powered vehicle.

Whether you’re restoring a vintage Mazda RX-series vehicle, building a custom project, or adding a rare rotary engine to your collection, this Mazda 10A Twin Wankel Rotary Engine delivers authenticity and proven rotary heritage.
Mazda 12A Turbo Engine – Like New Standard Rebuild | Mint Condition Rotary Engine for Sale
$4,500.00
- Mazda 12A Turbo Engine – Like New / Standard Rebuild
  
  Finding a truly exceptional Mazda 12A Turbo Engine has become increasingly difficult. Most surviving examples have accumulated years of wear, questionable rebuild histories, or significant modifications. This particular Mazda 12A Turbo Engine – Like New / Standard Rebuild stands apart from the rest.
  
  Professionally rebuilt to standard specifications and left unported for maximum flexibility, this engine offers an outstanding foundation for restorations, collector vehicles, or future performance builds. The condition of the internal components is remarkable, with rotor housings presenting like new and rotor plates showing virtually no visible wear, grooves, or scoring.
  
  For enthusiasts who appreciate originality, reliability, and quality craftsmanship, this is an opportunity to acquire one of Mazda’s most desirable rotary engines in exceptional condition.
  
  Whether you’re restoring a classic RX-7, building a period-correct turbo rotary project, or seeking a premium engine core for future upgrades, this 12A turbo engine delivers the quality and rarity serious buyers demand.
Mazda 13B Racing Street Port Rotary Engine – Fresh Build
$2,500.00

For rotary enthusiasts seeking a powerful, professionally assembled engine ready for serious street or track performance, the Mazda 13B T2 Street Port Rotary Engine – Fresh Build delivers an outstanding combination of strength, reliability, and tuning potential.

This freshly built 13B rotary engine has been assembled in-house and features a carefully executed T2 street port configuration designed to improve airflow while maintaining excellent drivability. To further enhance durability, the engine has been dowel pinned, a proven modification that helps maintain alignment under high cylinder pressures and demanding operating conditions.

Whether you’re building a high-horsepower Mazda RX-7, upgrading an RX-8 project, or creating a custom rotary-powered vehicle, this fresh build provides an ideal foundation. Built with performance in mind and designed to support boosted applications, it offers the perfect balance between street manners and aggressive power capability.

Ready for installation and built to handle serious horsepower, this engine is an excellent choice for enthusiasts who want a professionally prepared rotary engine without the wait and uncertainty of starting from scratch.
Mazda 13B Rotary Engine – 1994 RX-7 | Genuine FD3S 13B Turbo Engine for Sale
$3,000.00
If you’re searching for a genuine rotary engine with proven performance and excellent potential, this Mazda 13B Rotary Engine – 1994 RX-7 is an outstanding opportunity for RX-7 owners, restorers, and rotary enthusiasts alike.

Removed from a 1994 USDM Mazda RX-7 FD3S, this 13B rotary engine has demonstrated healthy compression and strong running condition. Whether you’re replacing a tired engine, planning a fresh rebuild, or building a high-performance street or track car, this engine provides a solid foundation for your next project.

The Mazda 13B remains one of the most iconic rotary engines ever produced. Known for its compact design, smooth power delivery, lightweight construction, and impressive tuning potential, it continues to be one of the most sought-after engines in the rotary community.

With good compression test results available and palletized shipping options, this engine is ready to become the centerpiece of your next build.
Mazda 13B Street Port Engine – Dowel Pinned & Ported | Performance Rotary Engine for RX-7 & RX-8
$2,500.00

The Mazda 13B Street Port Engine – Dowel Pinned & Ported is an excellent choice for rotary enthusiasts seeking a proven combination of reliability, drivability, and performance. Built from a genuine Mazda 13B platform, this engine has been professionally street ported to improve airflow and power delivery while incorporating dowel pin reinforcement for added strength and long-term durability.

Whether you’re restoring a classic RX-7, upgrading an RX-8, or building a custom rotary-powered project, this engine provides a strong foundation for naturally aspirated performance or future turbocharged applications.

The 13B rotary engine has earned legendary status among performance enthusiasts for its lightweight design, smooth power delivery, and ability to rev freely. This upgraded version takes those qualities further with carefully executed modifications designed to maximize airflow while maintaining excellent street manners.

For enthusiasts looking for a dependable rotary engine that delivers the unmistakable rotary driving experience, the Mazda 13B Street Port Engine – Dowel Pinned & Ported offers an ideal balance of performance and reliability.
Mazda 13B T2 Street Port Rotary Engine – Fresh Build | Dowel Pinned High-Performance Rotary Motor
$2,500.00

For rotary enthusiasts seeking a powerful, professionally assembled engine ready for serious street or track performance, the Mazda 13B T2 Street Port Rotary Engine – Fresh Build delivers an outstanding combination of strength, reliability, and tuning potential.

This freshly built 13B rotary engine has been assembled in-house and features a carefully executed T2 street port configuration designed to improve airflow while maintaining excellent drivability. To further enhance durability, the engine has been dowel pinned, a proven modification that helps maintain alignment under high cylinder pressures and demanding operating conditions.

Whether you’re building a high-horsepower Mazda RX-7, upgrading an RX-8 project, or creating a custom rotary-powered vehicle, this fresh build provides an ideal foundation. Built with performance in mind and designed to support boosted applications, it offers the perfect balance between street manners and aggressive power capability.

Ready for installation and built to handle serious horsepower, this engine is an excellent choice for enthusiasts who want a professionally prepared rotary engine without the wait and uncertainty of starting from scratch.
Mazda 13B-REW Rotary Engine – Bare Engine
$1,000.00
If you’re searching for an authentic Mazda 13B-REW rotary engine to serve as the foundation for your next build, this bare engine is an excellent opportunity. Originally found in the legendary Mazda RX-7 FD3S, the 13B-REW remains one of the most iconic rotary engines ever produced, renowned for its compact design, impressive power potential, and unmistakable rotary driving experience.

This Mazda 13B-REW Rotary Engine – Bare Engine is offered exactly as shown and is ideal for enthusiasts, builders, tuners, and restoration specialists looking for a solid platform for a rebuild, refresh, or custom performance project. Whether you’re restoring a factory RX-7, assembling a high-horsepower street machine, or planning a dedicated track build, the 13B-REW continues to be one of the most sought-after rotary engines in the performance community.

Unlike complete engine packages that include accessories and supporting components, this bare engine allows experienced builders to customize every aspect of the build according to their specific goals. From stock rebuilds to single-turbo conversions and race-prepared applications, the possibilities are nearly limitless.