they install as direct replacements for the stock hex hubs

Pack of 2 cases

Battery Type: XTREME LiPo

With the AR620

Kyosho ISW057 Hard Rear Shock Stay (Inferno ST-RR Evo) Inferno VE Parts they install as direct replacementsKyosho ISW057 Hard Rear Shock Stay (Inferno ST RR Evo) The ISW057 is a genuine Kyosho hard rear shock stay designed for the Inferno ST RR Evo. Built from stiffer material than the stock stay, it reduces flex under hard landings and aggressive driving, helping keep rear shock geometry consistent. This genuine Kyosho part is a solid upgrade or replacement for a bent or worn stay. Genuine Kyosho part ISW057 Hard rear shock stay Fits Inferno ST RR Evo