MSD SBC/BBC Locked-Out Pro-Billet Distributor - Bronze Gear (Requires MSD Ignition Control)

Features:
Designed primarily for race applications with no mechanical advance
O-ring seals can be added to modified blocks to improve oil pressure control
Adjustable slip collar mounting flange for engines with modified deck heights
Supplied with a 0.006” oversized bronze gear installed
CNC machined billet aluminum housing and billet aluminum base
Will not accept a vacuum advance canister
Must be used with an MSD 6, 7, 8, or 10 Series Ignition
Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
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
Special oil tract improves lubrication to the distributor and cam gear

Specs:
Part Number: MSD-855501
Distributor Cap Included: Yes
Distributor Cap Style: Male/HEI
Distributor Cap Type: Small Cap
Ignition Coil Included: No
Ignition Module Included: No
Computer-Controlled Compatible: No
Trigger Style: Magnetic
Advance Type: Locked
Ignition Box Required: Yes
Mechanical Tach Drive: No
Slip Collar: Yes
Distributor Gear Material: Bronze
Distributor Gear Rotation: Standard
Distributor Cap Color: Red
Housing Material: Aluminum
Housing Finish: Natural
Marine Use: No
Notes: Distributor is 6.825 - 7.375 in. tall from engine to top of distributor cap.
CARB EO Number(s): D-40-39