MSD Ultra 6AL Digital Ignition Box w/ 3-Step Rev Limiter - Black Windshield Wipers & Washers ULTRA light Aluminum construction for

MSD Ultra 6AL Digital Ignition Box w 3 Step Rev Limiter Black Windshield Wipers & Washers ULTRA light Aluminum construction for ULTRA light Aluminum construction for 43% weight savings ULTRA stealthy Hard Core Gray(TM) anodized finish ULTRA strong Billet metering blocks & base plates ULTRA cool Black anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High performance fuel curves The Ultra Double Pumper(TM) Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061 T6 billet aluminum GM Mercury Marine Gen IV Big Block V8