MSD 8547 Distributor

Compatible with Small and Big Block Chevy®. This product is not created or sold by Chevy®. Nearly three inches of adjustment. Must be used with an MSD 6, 7 or 8-series ignition.;<br><br>Designed for racing blocks with maximum increased deck height such as Alan Root, Merlin and Rocket Blocks. MSD offers this Distributor with an adjustable slip collar with nearly 3 in. of adjustment so you can be sure the distributor is installed correctly.<br><br>The distributor shares the same features of the standard Pro-Billet Chevrolet model including a ball bearing guide, long sintered lower bushing and an oil seal. To reluctor the MSD Ignition a maintenance-free magnetic pick-up is secured in the billet base of the distributor. Just above this pick-up assembly is an adjustable mechanical advance assembly.;

• Extra tall housing is designed for use with Alan Root, Donovan, Merlin and Rocket racing blocks
• Must be used with an MSD Ignition Control
• Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
• 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
• Nylon pads ensure smooth operation of the advance weights
• Advance weight pins are staked and tig welded to the plate
• Mechanical advance assembly can be locked out for crank trigger systems
• 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 and long sintered bushing
• Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
• Adjustable slip collar mounting flange provides up to 3” of adjustment
• CNC machined billet aluminum housing and Dupont Rynite base
• No CARB Exemption Order Number