MSD Ignition 8547 Chevy Extra Tall Slip Collar Pro-Billet Distributor

If you have a slightly taller block or have decked the heads, the distance between the distributor mounting pad and the cam gear/oil pump drive may be different. MSD offers these distributor with an adjustable slip collar with 1.5 inch Of adjustment so you can be sure the distributor is installed correctly. 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 trigger 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
• CNC machined billet aluminum housing and DuPont Rynite base
• Adjustable slip collar mounting flange provides up to 3 inch of adjustment
• Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the RPM range
• Polished steel shaft is QPQ coated and guided by a sealed ball bearing and long sintered bushing