Three new aluminum alloy HPI RS4 Sport 3 upgrades are about to be released from the Exotek factory! Included in the new parts is a set of clamping alloy wheel hexes, an alloy spur gear mount and an alloy driveshaft. The new spur gear mounting hub features a lightweight construction that reduces weight from the 8.4 grams of the stock steel unit, to just 2.6 grams for the alloy version. The 7075 aluminum alloy driveshaft is also lighter than stock steel part by 22.5 grams. All three HPI RS4 Sport 3 aluminum upgrades come polished and anodized in factory orange. Check out the pictures after the jump!
- 1540 – HPI RS4 Sport 3 Alloy Driveshaft – $18
- 1541 – HPI RS4 Sport 3 Alloy Spur Gear Mount – $14
- 1551 – HPI RS4 Sport 3 Alloy Wheel Hex Set – $14