Arrma ARA320581 Rear Shock Tower Aluminum Black Kraton Notorious Associated Parts Give your steam locomotives a Give your steam locomotives a proper home with the Kato steam engine service facility Beadlock wheels use a bolt on ring to clamp the tire bead in place To be used with ARA330654 REAR LOWER SUSPENSION ARMS 148mm (1 PAIR) for correct rear suspension geometry Manufactured from precision lightweight aluminum for reduced vehicle weight Strategically designed cut outs for weight reduction and good looks Precision manufactured screw holes for consistent fit of hardware and easy vehicle servicing Multiple upper shock absorber mounting holes for advanced tuning options Black anodized for cool looks and increased durability 5mm thickness for long lasting performance and the ability to withstand heavy landings