MSD Tall Block Crank Trigger Chevy V8 Distributor - 8558

Low-profile, tall block, racing distributor, must be used with an MSD 6, 7 or 8-series ignition and a crank trigger.

Part Number: 8558

The unique design of these distributors fit tight intake systems while still The high voltage carrying capabilities are the result of several features which have been designed into these low-profile distributors. This includes a large diameter cap with wide spaced terminals and an injection molded Rynite rotor with thick vanes to stir up the air inside the cap. The high dielectric Rynite base also prevents arcing to the billet housing. The Tall Block Distributor has a unique slip collar design. This allows the PN 8558 to fit in most tall block engines that have had the deck height modified. transferring the high voltage of the MSD racing ignition to the spark plugs.

Features and Benefits

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