RX7 performance upgrade

  • 13B Rotary Engine

    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.

  • JDM 86–91 Mazda RX-7 FC3S 13B

    JDM 86–91 Mazda RX-7 FC3S 13B Turbo Mazdaspeed Exhaust – OEM Mazda Speed Part 9CC5-40-100

    $600.00

    Finding authentic period-correct performance parts for the Mazda RX-7 FC3S has become increasingly difficult, especially genuine Mazda Speed components produced during the golden era of Japanese performance tuning. This JDM 86–91 Mazda RX-7 FC3S 13B Turbo Mazdaspeed Exhaust – 9CC5-40-100 is a rare opportunity to acquire an original Mazda Speed exhaust system designed specifically for turbocharged FC3S RX-7 models.

    Engineered by Mazda Speed for the 13B turbo rotary platform, this exhaust system was developed to enhance exhaust flow, improve throttle response, and deliver the unmistakable rotary exhaust note enthusiasts love while maintaining factory-level fitment and reliability. Unlike modern aftermarket alternatives, this genuine JDM exhaust preserves the authentic appearance and engineering philosophy that made Mazda Speed parts legendary among RX-7 owners.

    Whether you’re restoring a classic FC3S, building a collector-grade example, or searching for a period-correct performance upgrade, this genuine Mazda Speed exhaust represents one of the most desirable OEM performance modifications available for the second-generation RX-7.