BCCX 85561 Chevy V8 w/Slip Collar Distributor

For taller blocks or decked heads. Must be used with an MSD 6, 7 or 8-series ignition.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" 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.Features and Benefits: Same features as the PN 85551 Distributor with the addition of an adjustable slip collar for engines with modified deck heights***Slip Collar adjustment is .750" from Standard collar height******Slip Collar adjustment is .750" from Standard collar height***