MSD Pro-Billet OptiSpark Distributor - Optical Pickup - Electronic Advance - Socket Style - Black / Red - Spline Drive - GM LT-Series 1992-94 3930093 375 in Triangle

375 in Triangle

Bottom Side Inlet

000 CFM without compromising filtering qualities

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 375 in TriangleLeave 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