95" Aluminum Upper Arm with 90 degree corner - Replacement Tarp Arm Item #: 9309 Part #: ASAWC Upper corner arm for truck tarp systems is made of lightweight, heavy-duty aluminum. Measures 2 1/8" wide and 95" long. 90-degree corner adds 5" length. This full-length side arm is typically what you need for dump truck systems on beds from 18 to 38 feet.
4-Spring Lower Aluminum Arm, 78" Item #: 93031 Part #: ALA78 One (1) lower arm for 4-spring tarping system is made of lightweight, ultra-strong aluminum. Arm measures 78" long and 2 3/4" wide, expanding to 3 1/2" at pivot end. Brace measures 1/4" thick and is welded to either side of the arm, with two 1 5/16" holes to accommodate pivot pin and springs.
5-Spring Lower Aluminum Arm, 84" Item #: 9304 Part #: ALA84 Lower arm for 5-spring tarping system is made of lightweight, ultra-strong aluminum. Arm measures 84" long and 2 3/4" wide, expanding to 3 1/2" at pivot end. Brace measures 1/4" thick and is welded to either side of the arm, with two 1 5/16" holes to accommodate pivot pin and springs.