The Exotek 22-4 2.0 Aluminum Front Pivot Block is an extra heavy duty machined 7075 alloy front pivot mount for the 22-4 2.0. The stock plastic pivot block is the cause of many DNF results. This block eliminates that and lets you drive your 22-4 2.0 harder with less worry of breaking. Machined from aluminum, and skeletonized to bring the weight down to 17.6 grams, this pivot block is a perfect fit onto the front gearbox and is a must have accessory for every 22-4 2.0 owners arsenal.