The SumoSprings Solo Custom Helper Springs # SSR-121-54 will include 2 sets of M10-1.5 bolts for mounting in place of the factory bump stop. The lengths are going to be 55mm and 80mm to account for the different height spacers that you may need. view full answer...
Those are the flange mounting bolts you're asking about and they are not included with kits like part # K2R1258L12 so they'll need to be sourced separately.
I talked to Kodiak and the bolts you need are 1/2-20 UNF x 1-3/4 inch hex bolts. view full answer...
The Progressive Dynamics RV Power Control Center with AC/DC Panel and Converter/Smart Charger - 35 Amp, # PD4135K is complete with a face plate and is mounted in its case ready for install. It does require AC breakers and DC fuses that are sold separately. You can source the breakers from your local hardware store in whatever quantity you require for your RV's system. This uses the same type of commonly used residential breakers. The approved options from Progressive Dynamics are ITE/Siemens... view full answer...