MSD Pro-Billet OptiSpark Distributor - Optical Pickup - Electronic Advance - Socket Style - Black / Red - Spline Drive - GM LT-Series 1992-94 3930093 000 CFM without compromising filtering

000 CFM without compromising filtering qualities

Degrees left or right and 11 degrees up and down for ease of engagement

and most Holley(R) style fuel bowls

Designed as a drop-in upgrade for factory roller '87+ Chevrolet Small Block

MSD Pro-Billet OptiSpark Distributor - Optical Pickup - Electronic Advance - Socket Style - Black / Red - Spline Drive - GM LT-Series 1992-94 3930093 000 CFM without compromising filteringLeave it to MSD to build an all out performance distributor to replace the OEM GM LT1 Optispark! We machine an entire billet block of aluminum down into a precise housing that fits in place of the factory piece. Then, we fill it with a reliable new pick up assembly, a trick timing adjustment mechanism and top it off with an all new MSD distributor cap! The pick up is an advanced optical encoder, a different style of optical pickup than the OEM. This