981 GT4/Spyder



Would like to make a review of the products as well as the customer service of Jamie in particular. Summary - High quality products paired with superb customer service - highly recommended! Just a brief background on the car: 2007 997.1 GT3RS Car has about 35000 miles and I intend to keep it for a long time to come. Decided to install the... read more

HerShann - Singapore
997 GT3 Carbon Airbox, Harmonic Damper

GT4 Reinforced 3rd Gear

GT4 Reinforced 3rd Gear


Click on a photo to enlarge.

We've been searching for a quality 3rd  gear replacement for the GT4 and found it in Holinger, the manufacturer of gears for Porsche Racing!


A replacement to the weak and poorly designed factory 3rd gear in the GT4.  Synchro dog-rings are splined to the gear - this prevents the ring-detachment failure that has been known to occur in standard GT4 gearboxes (see close-up image below).  Holinger delivers again!

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