Introduction These Heavy-Duty Rear Lower Suspension Arms have been designed ARRMA tough so you can send it high with confidence Features Heavy-Duty design with material strategically placed to increase crash resilience Constructed from tough composite material for increased crash resistance and long-lasting durability Precision molded hinge pin holes for smooth slop-free suspension action Sway Bar mounting holes for a wide selection of handling options 148mm between inner and outer hinge pin centers Provided in a pair Included items Rear Suspension Arm – Left 1Pc Rear Suspension Arm – Right 1Pc Fitment Must be used with ARA713032 – SHOCK MOUNT PIN 3x33mm (Silver) (4pcs)