Astro Performance's A-Five gear upgrade is all about width and thickness. Here's a look at how stock T-5 gears match up against the super-stout helical-cut cogs that went into Mase's new transmission.
A-Five First gear (right), OEM First gear (left).
A-Five Second gear (right), OEM Second gear (left).
A-Five countershaft (right), OEM countershaft (left).
A-Five countershaft (right), OEM countershaft (left).
A-Five input shaft and Fourth gear (left), OEM input shaft and Fourth gear (right).