MSD 8361 PRO BILLET DISTRIBUTOR VAC ADV SUITS CHEV SB BB V8

Chevy V8 Street Pro-Billet w/Vacuum Advance
Includes vacuum advance and must be used with an MSD 6, 7 and 8-series ignition.
Designed for street/performance use with a mechanical and vacuum advance
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