Engines

Showing 97–112 of 121 results

Mazda RX-8 13B Renesis 4-Port Rotary Engine Swap – Auto
$1,000.00
If you are looking for a complete 13B Renesis engine package for your RX-8 or a rotary swap project, this is exactly what you need. This is a complete Mazda RX-8 13B Renesis 1.3L 4-port rotary engine with automatic transmission and ECU. It is ready to be swapped into your car or used as the foundation for your next project build.

The 4-port Renesis is the engine found in automatic transmission RX-8s. It is a slightly different animal than the 6-port version found in manual cars. The 4-port engine has different port timing, a slightly different intake manifold, and a different ECU calibration. It is designed to work with the automatic transmission and deliver smooth, responsive power delivery.

This is a complete package. You are getting the engine, the automatic transmission, and the ECU. This means you are not hunting for missing components or trying to figure out which ECU works with which engine. It is all here, ready to go.

Whether you are replacing a worn-out engine in your RX-8, building a rotary-powered project car, or just need a complete engine package for a swap, this 13B Renesis 4-port setup is a solid option.

The 13B Renesis is one of the most advanced rotary engines ever produced. It is lighter, more powerful, and more efficient than earlier rotary designs. The 4-port version may not produce the same peak power as the 6-port, but it delivers excellent mid-range torque and a smooth power curve that makes it a joy to drive.

This is a genuine Mazda engine. It is reliable, well-engineered, and ready to be put to use.
Mazda RX-8 13B Renesis Engine Overhaul – SE3P | Professional Rotary Engine Rebuild Service
$1,800.00

When your Mazda RX-8 starts suffering from low compression, hard hot starts, poor performance, excessive oil consumption, or general engine wear, a professional engine overhaul is often the most cost-effective solution. Our Mazda RX-8 13B Renesis Engine Overhaul – SE3P service is designed to restore your rotary engine to reliable operating condition while maintaining the unique characteristics that make the Renesis powerplant one of the most exciting rotary engines ever produced.

This complete rebuild service is specifically tailored for Mazda RX-8 SE3P models equipped with the 13B Renesis rotary engine. Every overhaul includes a full engine teardown, detailed inspection of all critical components, replacement of wear items, precision assembly, and final compression testing before delivery.

Whether you’re repairing a low-compression engine, fixing hot start issues, preparing for long-term ownership, or restoring your RX-8 to its former glory, this rebuild service provides the foundation for dependable rotary performance.
Mazda RX-8 13BMSP Engine – Working Renesis Rotary Motor for SE3P Replacement & Rebuild Projects
$1,000.00

Finding a genuine, working Mazda RX-8 rotary engine can be challenging, especially when you’re looking for a reliable replacement motor or a solid foundation for your next performance build. This Mazda RX-8 13BMSP Engine – Working is an authentic Renesis rotary engine removed from an RX-8 SE3P platform and offers enthusiasts, mechanics, and builders an excellent opportunity to restore or upgrade their rotary-powered vehicle.

The 13BMSP Renesis engine remains one of Mazda’s most innovative rotary powerplants, delivering smooth high-RPM performance, lightweight construction, and the unique driving characteristics that have made rotary engines legendary among enthusiasts worldwide.

Whether you’re replacing a failed motor, building a dedicated project car, sourcing an engine for a rotary swap, or searching for a rebuildable core with known running condition, this working 13BMSP engine provides a valuable solution.

With its ABA-SE3P chassis compatibility and proven Renesis design, this engine is well suited for factory restorations, daily drivers, performance builds, and custom automotive projects.
Mazda RX-8 ABA-SE3P Engine Assembly – Automatic Transmission | Genuine 13B Renesis Rotary Engine
$1,000.00

Looking for a reliable replacement engine for your Mazda RX-8 or a solid foundation for your next rotary build? The Mazda RX-8 ABA-SE3P Engine Assembly – Automatic Transmission is an excellent choice for enthusiasts, mechanics, restorers, and project car builders seeking a genuine Mazda 13B Renesis rotary engine.

This complete engine assembly comes from an automatic transmission Mazda RX-8 (ABA-SE3P platform) and offers an ideal solution for replacement applications, rebuild projects, or custom rotary conversions. Known for its lightweight design, smooth power delivery, and unique high-revving characteristics, the 13B Renesis remains one of the most iconic rotary engines ever produced.

Whether you’re replacing a worn-out motor, restoring an RX-8 to factory specifications, or sourcing a rebuildable engine assembly, this package provides the versatility and authenticity that rotary enthusiasts value.
Mazda RX-8 SE3P 13BMSP Engine – 6MT Renesis Rotary Motor for Sale | RX-8 Replacement Engine
$700.00

If you’re searching for a genuine replacement engine for your Mazda RX-8 or looking for a solid foundation for a rotary rebuild project, the Mazda RX-8 SE3P 13BMSP Engine – 6MT is an excellent choice. Removed from a 6-speed manual transmission RX-8, this complete Renesis rotary engine offers the performance characteristics and unique driving experience that made the RX-8 one of the most iconic rotary-powered sports cars ever produced.

The 13BMSP, commonly known as the Renesis engine, represents Mazda’s most advanced production rotary powerplant. Designed to deliver smooth power delivery, impressive rev capability, and a lightweight performance package, the Renesis remains a favorite among rotary enthusiasts worldwide.

Whether you’re restoring a damaged RX-8, building a track-day machine, preparing a custom rotary swap, or sourcing a dependable rebuild core, this Mazda RX-8 SE3P 13BMSP Engine – 6MT provides a valuable opportunity to secure a genuine rotary engine from Mazda’s legendary rotary lineage.
Mazda RX-8 SE3P Bridge Port Engine – Fully Rebuilt | Performance Rotary Engine Ready to Install
$1,100.00
If you’re searching for a rotary engine that combines reliability, performance, and the unmistakable sound that enthusiasts love, this Mazda RX-8 SE3P Bridge Port Engine – Fully Rebuilt is an outstanding choice.

Built for drivers who want more than a standard replacement engine, this fully rebuilt RX-8 rotary engine delivers the aggressive idle, improved airflow, and enhanced performance characteristics that make bridge port setups so desirable. Whether you’re restoring an RX-8, upgrading a street car, building a weekend track machine, or preparing a custom rotary project, this engine provides a strong and dependable foundation.

Unlike unknown used engines with questionable history, this engine has been fully rebuilt and is in good running condition, giving buyers confidence and peace of mind. The bridge port modification enhances the engine’s breathing capabilities while maintaining drivability, making it one of the most popular upgrades among rotary enthusiasts.

Ready to install and ready to perform, this rebuilt SE3P rotary engine is ideal for enthusiasts who want authentic rotary character without the uncertainty often associated with used powerplants.
Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission | JDM Rotary Drivetrain Package
$2,200.00

The Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission is one of the most sought-after drivetrain packages in the performance automotive world. Built around Mazda’s legendary twin-rotor 13B engine, this complete setup delivers the unique characteristics that have made rotary-powered vehicles famous among enthusiasts, tuners, racers, and collectors worldwide.

Whether you’re restoring a classic RX-7 FD3S, replacing a worn engine, building a drift car, or planning a custom rotary swap, this complete drivetrain package offers an excellent foundation for your project. Combining the lightweight design of the 13B twin-turbo rotary engine with a responsive 5-speed manual transmission, this setup provides an ideal balance of performance, reliability, and upgrade potential.

Known for its impressive power-to-weight ratio and exceptional tuning capability, the FD3S twin-turbo drivetrain remains one of the most respected rotary powerplants ever produced by Mazda.
Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission | JDM Rotary Drivetrain Package
$2,800.00

The Mazda RX7 FD3S Twin Turbo 13B Rotary Engine with 5 Speed Transmission is one of the most sought-after drivetrain packages in the performance automotive world. Built around Mazda’s legendary twin-rotor 13B engine, this complete setup delivers the unique characteristics that have made rotary-powered vehicles famous among enthusiasts, tuners, racers, and collectors worldwide.

Whether you’re restoring a classic RX-7 FD3S, replacing a worn engine, building a drift car, or planning a custom rotary swap, this complete drivetrain package offers an excellent foundation for your project. Combining the lightweight design of the 13B twin-turbo rotary engine with a responsive 5-speed manual transmission, this setup provides an ideal balance of performance, reliability, and upgrade potential.

Known for its impressive power-to-weight ratio and exceptional tuning capability, the FD3S twin-turbo drivetrain remains one of the most respected rotary powerplants ever produced by Mazda.
Mazda Rx8 Manual 6-Port Rebuilt Engine With New Rotor Housings
$5,000.00
Upgrade or replace your Mazda RX-8 engine with this fully rebuilt 6-port manual engine, featuring brand-new rotor housings for maximum reliability and performance. Expertly rebuilt to OEM specifications, this engine is perfect for enthusiasts seeking long-lasting power, smooth operation, and peak rotary performance.
Mazda Rx8 Manual 6-Port Rebuilt Engine With New Rotor Housings
$5,000.00
Upgrade or replace your Mazda RX-8 engine with this fully rebuilt 6-port manual engine, featuring brand-new rotor housings for maximum reliability and performance. Expertly rebuilt to OEM specifications, this engine is perfect for enthusiasts seeking long-lasting power, smooth operation, and peak rotary performance.
Mazda Savanna RX-3 10A Engine Set – RE10 | Genuine Classic Rotary Engine Package
$1,500.00

The Mazda Savanna RX-3 10A Engine Set – RE10 is a highly sought-after piece of rotary history and one of the most desirable engine packages for enthusiasts restoring early Mazda rotary vehicles. As one of Mazda’s original production rotary powerplants, the 10A engine played a significant role in establishing the rotary engine’s legendary reputation around the world.

This complete engine package includes a genuine RE10 rotary engine, carburetor, and transmission, making it an exceptional foundation for authentic RX-3 restorations, period-correct builds, or vintage rotary collections. Whether you’re restoring a classic Savanna RX-3 to factory specifications or preserving an important piece of Japanese automotive history, this engine set offers authenticity, rarity, and collector appeal that modern replacements simply cannot match.

Original 10A engine packages have become increasingly difficult to source, making this a valuable opportunity for serious collectors, restoration specialists, and rotary enthusiasts seeking a genuine early Mazda rotary setup.
Mazda Savanna RX-7 SA22C GT – 12A Rotary Engine (P9-165 G S55) | Genuine First-Generation RX-7 Engine
$1,100.00

For enthusiasts restoring one of Mazda’s most iconic rotary-powered sports cars, finding an authentic early-production engine can be one of the most difficult parts of the project. This Mazda Savanna RX-7 SA22C GT – 12A Rotary Engine (P9-165 G S55) represents a rare opportunity to acquire a genuine first-generation RX-7 rotary engine removed from an original Japanese-market Savanna RX-7 GT.

The legendary 12A rotary engine helped establish Mazda’s reputation for innovative engineering and lightweight sports car performance. Compact, high-revving, and uniquely smooth, the 12A remains one of the most sought-after rotary powerplants among collectors, restorers, and vintage JDM enthusiasts.

This complete long block assembly offers an excellent foundation for an OEM restoration, period-correct build, museum-quality project, or rotary engine rebuild. As surviving examples become increasingly difficult to source, genuine SA22C engines continue to gain value among collectors worldwide.
New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time
$2,500.00
New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time

For rotary enthusiasts, builders, and restoration specialists, finding a truly fresh foundation for a Mazda RX-7 FD3S engine build is becoming increasingly difficult. The New FD3S 13B-REW Rotary Engine Core – Housings, Rotors, Seals, Plates & Shaft | Zero Run Time offers a rare opportunity to start with brand-new core components rather than rebuilding worn or questionable parts.

Designed specifically for the legendary Mazda RX-7 FD3S platform, this complete engine core package includes the essential internal components required for a premium-quality rotary build. Featuring new rotor housings fitted with power seals, rotors, iron plates, eccentric shaft, and a complete seal package, this assembly provides the ideal starting point for everything from OEM restorations to serious street and track builds.

Whether you’re restoring a collector-grade FD RX-7, building a reliable street car, or planning a high-horsepower performance setup, this zero-run-time engine core eliminates many of the uncertainties associated with used rotary components.

Built around genuine Mazda 13B-REW architecture, this package represents one of the best foundations available for enthusiasts seeking reliability, performance, and long-term durability.
Rebuilt 0-Mile Turbo II Engine – Fully Rebuilt Rotary Engine for High-Performance RX-7 Builds
$3,000.00
Rebuilt 0-Mile Turbo II Engine

If you’re looking for a dependable, professionally rebuilt rotary engine that delivers exceptional performance and reliability, this Rebuilt 0-Mile Turbo II Engine is an outstanding choice. Built with premium components and zero miles since completion, this engine is ready to become the heart of your next Mazda RX-7 project.

Unlike used engines with unknown histories, this Turbo II engine has been carefully rebuilt using quality OEM and performance components to provide excellent durability while supporting impressive horsepower levels. Whether you’re restoring an FC RX-7, replacing a worn engine, or building a high-powered street or weekend track car, this engine offers the perfect combination of reliability and performance.

Featuring premium Rotary Aviation Cryo Apex Seals, cryo-treated side seals, external oiling modifications, and a professionally executed Big Street Port, this engine has been assembled with enthusiasts in mind. It offers excellent drivability while providing the airflow needed to support serious power when paired with the right turbocharger and supporting modifications.

Ready to install and built to perform, this is a rare opportunity to own a freshly rebuilt Turbo II rotary engine with zero miles.
Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (SER5 Update) – Fresh Rebuild Block Only
$3,500.00
Product Overview

For Sale: Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (SER5 Update) – Block Only

If you’re searching for a serious foundation for your next rotary performance build, this Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (SER5 Update) – Block Only represents an increasingly rare opportunity. Freshly rebuilt and never started, this engine combines the legendary performance potential of Mazda’s 13B turbo rotary platform with desirable SER5 large dowel upgrades and professional internal enhancements.

Built specifically for enthusiasts who understand the value of a properly prepared rotary engine, this motor features a bridge-ported configuration for improved airflow, brand-new race apex seals, new corner seals, fresh springs, and a new water retention kit. The engine remains essentially untouched since assembly and was only removed from protective wrapping for inspection and photographs.

Whether you’re restoring an FD RX-7, building a dedicated track machine, assembling a high-horsepower street car, or creating a custom rotary-powered project, this rare SER5 large dowel engine provides an exceptional starting point.

Rotary enthusiasts know that finding a fresh, professionally rebuilt 13B turbo engine with the desirable SER5 update is becoming increasingly difficult. This engine eliminates the uncertainty often associated with used rotary motors and provides a proven platform ready for completion according to your specific goals.
Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (Series 5 Update) – Fresh Performance Rotary Engine Block
$1,700.00
If you’re searching for a professionally rebuilt rotary engine that combines proven Mazda engineering with performance-focused upgrades, this Rebuilt Mazda RX-7 13B Turbo Bridge Port Motor (Series 5 Update) is an exceptional opportunity.

Built from a genuine Mazda Series 5 13B turbo motor, this engine has been freshly rebuilt and has never been started since assembly. The motor remains wrapped in protective plastic and was only briefly uncovered for photography purposes, ensuring it arrives in pristine condition.

What makes this build particularly desirable is its rare large dowel configuration, featuring front and rear plates matching the sought-after Series 6 design. Combined with a professionally executed bridge port, new race apex seals, fresh corner seals and springs, and a new water retention kit, this rotary engine is designed for enthusiasts who demand reliability, performance, and long-term durability.

Whether you’re restoring a Mazda RX-7, building a high-performance street car, or preparing a serious track machine, this rebuilt 13B turbo engine provides an excellent foundation for your next project.