MSD GM HEI Distributor - Iron Melonized Gear w/ 4-Pin Ignition Module

Features:
Advance weight pins are staked and tig welded to the plate
Special oil tract improves lubrication to the distributor and cam gear
CNC machined billet aluminum housing and billet aluminum base
Supplied with a 8.5 amp, single spark, inductive discharge ignition module, MSD PN 83647, and MSD HEI Coil, PN 8225
Nylon pads ensure smooth operation of the advance weights
Supplied with brass terminal distributor cap and rotor
A complete performance HEI distributor upgrade for Chevy V8 engines
Polished steel shaft is QPQ coated and guided by a sealed ball bearing
Easy-to-adjust mechanical advance with supplied springs and stop bushings
Full spark energy output to 9,000 RPM
Vacuum advance canister for improved economy (can be locked out)
Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
Mechanical advance assembly can easily be locked out

Specs:
Part Number: MSD-8365
Distributor Cap Included: Yes
Distributor Cap Style: Male/HEI
Distributor Cap Type: HEI in-cap coil
Ignition Coil Included: Yes
Ignition Module Included: Yes
Computer-Controlled Compatible: No
Trigger Style: Magnetic
Advance Type: Vacuum and mechanical
Ignition Box Required: No
Mechanical Tach Drive: No
Slip Collar: No
Distributor Gear Material: Iron
Housing Material: Aluminum
Housing Finish: Natural
Marine Use: No
Notes: The distributor is designed to replace GM HEI distributors that use a 4-pin ignition module. Distributor is 8.21 in. tall from engine to top of distributor cap.
CARB EO Number(s): D-40-39