MSD 8489 Distributor

Compatible with Small or Big Block Chevy®. This product is not created or sold by Chevy®. Low-profile, tall block, racing distributor must be used with an MSD 6, 7 or 8-series ignition and a crank trigger.;<br><br>The MSD Crab Cap Distributors are built specifically for racing engines with almost no room for a distributor due to tunnel rams or blowers. The distributor is equipped with a special low-profile crab style distributor cap to allow it to fit in extremely tight areas.<br><br>The housing features two optional O-rings at the bottom that improve oil control by preventing oil pressure loss. Also, a small oil bleed hole located in the base sprays oil on the distributor and camshaft gears to prevent excessive wear. Since this is a racing distributor, there is an adjustable slip collar to make up for engines that have had the distance between the mounting surface and the gear modified.<br><br>Crowning this distributor is MSD's own Crab Cap! This cap incorporates spark plug style terminals for a better connection and grip to the plug wires.;

• Must be used with an MSD Crank Trigger and MSD Ignition Control
• Supplied with small, low crab style distributor cap, rotor and bronze gear
• O-ring seals can be added to modified blocks to improve oil pressure control
• Special oil tract improves lubrication to the distributor and cam gear
• Shaft is guided by a sealed ball bearing and an extra long sintered bushing
• Oversized polished steel shaft with a QPQ coating for friction reduction
• 0.500” taller for extra tall Chevrolet based engine blocks
• Adjustable slip collar for engines with modified deck heights
• CNC machined billet aluminum housing and Dupont Rynite base is designed for standard Chevrolet blocks
• Designed to fit low in the block to clear firewall and intake combinations