JDM 2004–2008 Mazda RX-8 6-Port 13B 1.3L Engine with 6-Speed Manual Transmission – Excellent Compression – 30-Day Warranty

For sale is a reliable and high-performance JDM 13B-MSP 6-Port 1.3L rotary engine paired with the 6-speed manual transmission, directly imported from Japan and removed from a 2004–2008 Mazda RX-8. This naturally aspirated rotary powertrain setup is in excellent condition, with strong compression in both rotor chambers, verified through professional testing.

Perfect for enthusiasts restoring their RX-8 or building a high-revving project car, this complete package includes:

• JDM 13B RENESIS 6-port rotary engine

• OEM 6-speed manual transmission

• Essential accessories as shown

• Verified compression results

• 30-day startup warranty on the engine

This JDM motor fits all 2004–2008 Mazda RX-8 SE3P chassis and makes a great replacement for tired or blown USDM engines. The 6-port variant offers smoother throttle response and optimized street driving dynamics compared to the higher-revving 4-port alternative. Combined with the robust 6-speed gearbox, this drivetrain delivers a true driver-focused experience with JDM reliability and performance.

At J-Spec Auto Sports, we pride ourselves on sourcing only low-mileage, compression-tested JDM engines from trusted Japanese suppliers. Every unit is thoroughly inspected before shipment. We stand behind this engine with a 30-day startup warranty, ensuring peace of mind and quality you can trust.

Highlights:

• Excellent compression in both chambers

• Complete 13B 6-port 1.3L engine & 6-speed manual transmission

• Direct fit for 2004–2008 Mazda RX-8

• Compression tested and guaranteed

• Backed by J-Spec Auto’s 30-day warranty

Order now and restore your RX-8 with a reliable JDM powertrain from J-Spec Auto Sports!

All JDM engines and transmissions from J-Spec Auto Sports are carefully inspected, cleaned, and verified before shipping. We import only the best-condition rotary engines from Japan so you can trust the performance and quality.

Keywords: Used JDM Mazda RX-8 Engine and Transmission, 13B Non-Turbo Rotary Engine, RX8 5-Speed Manual Transmission, 13B-MSP 4-Port Engine for Sale, JDM Mazda Rotary Engine, RX-8 Engine Swap, RX8 Engine Replacement J-Spec Auto