ARRMA Metal Slipper & Input Gears Upgrade Set: BOOST BOX HO Track All links are metal

All links are metal

Monster Jam and all related logos and characters/designs are intellectual property of and used under license from Feld Motor Sports

Each RPM Rear Bumper is made in the USA from our engineering grade nylons and is backed by our limited lifetime warranty against breakage

MPC 1982 Dodge Van Custom (Turtle Wax) 1/25 Model Kit (Level 2)

Refining the proven 2

ARRMA Metal Slipper & Input Gears Upgrade Set: BOOST BOX HO Track All links are metalIntroduction ARRMA makes it easy and affordable for drivers of ARRMA 4X2 BOOST, MEGA, or 3S vehicles to continue on the path to higher and higher levels of performance for example, by upgrading the transmissions with even greater durability using the ARRMA Metal Slipper and Metal Input Gears BOOST Box upgrade package. Its strong metal gears give your transmission the additional toughness needed for stepping up to higher speed, higher performance