The bottom of the buss bars are counterbored to accept the shoulder of the gushen cell properly
1/0 set screw type fuse blocks
5" main mount rails and 6 left and 6 right hand amplifier mount arms
If ordering heat shrink with these
Ports Flare with mounting flange soundigital The bottom of the bussPorts with mounting flange for mounting to the speaker box, these are 3d printed and made heavy duty, available in 3,4,6,8 and 10" sizes, fits all schedule 40 pvc pipe and can be bonded with pvc cement, weld on #3,#4 and #16. Sizes 3,4,6 and 8" are a 1 piece design, 10" is a modular assembled design. THESE ARE NOT FOR PLUMBING, THESE ARE FOR SPEAKER BOXES. MADE IN THE U. S. A.