Overview Different springs and stop bushings are supplied so you can tune an advance curve to match your application. | Get your Small Block Mopar fired up with billet accuracy and performance. The MSD Black Cap includes 316 Stainless Steel terminals and Race Rotor and underneath you'll find easy access to the adjustable mechanical advance assembly for easy adjustments. This advance is designed for accuracy and strength with TIG-welded weight pins, nylon pads for smooth movement of the weights and a QPQ coating for friction reduction. | Supporting the advance assembly is a hardened, polished steel shaft. Two ball bearing guides are used to support the shaft producing incredible stability. Precision paddles of a zinc-plated reluctor pass a maintenance-free magnetic pickup creating a trigger signal that tells the MSD to fire. Must be used with an MSD 6, 7 or 8 Series Ignition Features Advance weight pins are staked and tig welded to the plate Easy-to-adjust mechanical advance with supplied springs and stop bushings (except locked out versions) Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction Polished steel shaft is QPQ coated and guided by a sealed ball bearing for smooth operation at all rpms Mechanical advance assembly can be locked out for crank trigger systems or racing applications Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range Must be used with an MSD Ignition Control CNC machined billet aluminum housing and billet aluminum base providing superior strength and great looks Supplied with black cap w/316 stainless steel terminals Nylon pads ensure smooth operation of the advance weights
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