Regitar USA Distributor Cap f/GM "Module in Cap" 4 Cylinder Distributors [RME006] Brand_303 Use an upper support bracket

Use an upper support bracket (sold seperately) if the length of antenna and mast total more than eight feet

We recommend our Battery Balancer (BMS012201000) to maximize service life of series-connected lead-acid batteries

and (4) swedges

Mounting Hole Spacing (in): 1-31/32 in

Regitar USA Distributor Cap f/GM "Module in Cap" 4 Cylinder Distributors [RME006] Brand_303 Use an upper support bracketDistributor Cap for GM "Module in Cap" 4 Cylinder Distributors Distributor Cap for GM "Module in Cap" 4 Cylinder Distributors. Engine Brand: Mercury Mercruiser OMC Fitment: New GM "Module in Cap" 4 CYL Distributors Brochure (pdf)