Transmission Internals

The IAG Chromoly Transfer Gear Set is specifically engineered to strengthen the weak points in the STI 6 speed transmission. When a powerful STI launches aggressively at the track the output shaft progressively twists and weakens. After multiple...

The IAG Chromoly Transfer Gear Set is specifically engineered to strengthen the weak points in the STI 6 speed transmission. When a powerful STI launches aggressively at the track the output shaft progressively twists and weakens. After multiple...

IAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2008 + STI window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({ uuid:...

IAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2004 - EARLY 2006 STI window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({ uuid:...

IAG 1ST-6TH CARBON SYNCHRO SET FOR 2006-07 STI & 2007-09 LGT SPEC B window.SHOGUN_IMAGE_V2_ELEMENTS = window.SHOGUN_IMAGE_V2_ELEMENTS || new Array(); window.SHOGUN_IMAGE_V2_ELEMENTS.push({ uuid:...

Rebuilding your Subaru 6MT transmission or upgrading your gears? The IAG 6 Speed Synchro package for the 2008-21 STI includes a 1st, 2nd and 3rd gear brass syncronizer set as well as 4th, 5th and 6th gear carbon faced brass baulk rings. The OEM carbon...

IAG COMPETITION SERIES TRANSMISSION SHIFT FINGER WITH SPRING PIN FOR 04-21 SUBARU STI ...

IAG Replacement Yoke and Universal Joint Set for Transfer Gears IAG-DRV-1000, IAG-DRV-1010