Mitsubishi Evo 4-9 Helical Cut Synchro Set is a performance-focused engine mounts & drivetrain product for Honda, Acura, Mitsubishi, and import racing applications. Review the listed fitment, specifications, and available options before ordering.

Mitsubishi Evo 4-9 Helical Cut Synchro Set

 The perfect upgrade for street guys who want a stronger gearbox without the excessive noise of straight cut gears or dog engagement. This heavy-duty synchro set is designed to suit the Evo 4-9 5-speed gearbox, providing optimized gear ratios and upgrading 4th gear to run the same double synchro as 3rd. Tested and proven for durability, this synchro set is a must-have for any enthusiast looking to enhance the performance and reliability of their Mitsubishi Evo. Experience smoother and more precise gear changes with the Mitsubishi Evo 4-9 Helical Cut Synchro Set!

Features Include:

• Input shaft with spigot - will be supplied with matching bronze bush for more support
• 4th gear upgraded to double synchro - comes with new 3rd/4th selector hub to accommodate
• Optimized Gear Ratios to minimize drop in rpm to keep car on boost
• Helical cut gear to minimize road noise
• Dedicated rebuild kit number from Synchro-Tech (MK-EVO89-PPG)
• Suits OEM Final Drive

Extra options becoming available are billet selector forks and billet selector rails! Photos are of the prototype set - images will be updated when the production version is complete.