Rear A-Arms for ARRMA Big Rock, Senton and Granite 4x4's Steering Arm and will make a noticeable

and will make a noticeable performance gain

Will also fit most 1/10th scale touring car chassis from HPI and other manufacturers

2) If you can not push the shock shaft all the way in

Model car fuel (20-30% nitro recommended)

000 CST silicone diff fluid

Rear A-Arms for ARRMA Big Rock, Senton and Granite 4x4's Steering Arm and will make a noticeableRPM A arms for the 4x4 3S BLX versions of the Granite, Senton & Big Rock are the answer to the questions you didn't know you had. Are you looking for more adjustability? Check! How about better durability? Got that covered too. How about lightweight? Yup, no problem! Adjustability: RPM has added a second shock mount to both front and rear A arms to the outside of the stock shock mount, adding adjustability and improving trackability. RPM's outer shock