Regitar USA Distributor Cap f/GM V-8 Engines w/Thunderbolt IV V HEI Ignitions [RMN014] Marine Hardware | Accessories 4" Gauge - Hole size:

4" Gauge - Hole size: 3

Anti-Fouling Impeller and Debris Protection: The advanced impeller design resists fouling

through-bolted onto a fully enclosed backing plate for a clean finish

Navico Expansion Port-1

ATV or UTV bumper lights

Regitar USA Distributor Cap f/GM V-8 Engines w/Thunderbolt IV V HEI Ignitions [RMN014] Marine Hardware | Accessories 4" Gauge - Hole size:Distributor Cap for GM V 8 Engines with Thunderbolt IV & V HEI Ignitions Distributor Cap for GM V 8 Engines with Thunderbolt IV and V HEI Ignitions. Engine Brand: Mercury Mercruiser OMC Fitment: GM V 8 Engines with Thunderbolt IV & V HEI Ignitions Brochure (pdf)