MSD Chevy Small Block 6.25" Balancer Crank Trigger Kit - Black RS004C1813 550 in OD Valve Seat

550 in OD Valve Seat

Engineering is at the heart of why Extang is the number one selling truck bed cover brand in North America

Rocker Arms

31 in W x 19 in H

Complete with a precision glass buret

MSD Chevy Small Block 6.25" Balancer Crank Trigger Kit - Black RS004C1813 550 in OD Valve SeatFor a long time, racers have known that one of the best things to do to an engine to improve its performance is to stabilize the ignition timing. The MSD Flying Magnet Crank Trigger system does exactly that by using four magnets embedded in an aluminum wheel. Although similar in appearance to other crank triggers, the MSD Flying Magnet design works on a different principle. Most crank triggers have a wheel, with steel studs sticking out, bolted to the