The Mitsubishi Evo 4-9 Helical Cut Synchro Set is 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 accomodate
Optimised Gear Ratios to minimise drop in rpm to keep car on boost
Helical cut gear to minimise road noise
Dedicated rebuild kit number from Synchrotech (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.