Distributors

• Value priced HEI with full one year warranty
• Heavy duty distributor gear for durability
• Welded weight pins & heavy duty contruction
• Adjustable vacuum advance helps tune it to each engine
• 21° of mechanical advance
• Includes 4-pin module

• Complete performance HEI distributor upgrade for Chevy V8 engines
• Easy-to-adjust mechanical advance
• Vacuum advance canister for improved economy (can be locked out)
• CNC-machined billet aluminum housing & billet aluminum base
• Advance plate & weights are fine blanked from chrome moly steel
• Comes with 7.5 amp, single spark, inductive discharge ignition module, PN 8364 & MSD HEI Coil, PN 8225
• Full spark energy output to 9,000 RPM
• Includes brass terminal distributor cap & rotor
• CARB E.O. Approved

• Designed for race applications with no mechanical advance
• CNC-machined billet aluminum housing & base
• Magnetic pickup & precision reluctor create stable trigger signals throughout rpm range
• Adjustable slip collar mounting flange for engines with modified deck heights
• Supplied with 0.006” oversized bronze gear installed
• Includes HEI style distributor cap & rotor (accept Cap-A-Dapts)
• Must be used with an MSD 6, 7, 8 or 10 Series Ignition
• Will not accept a vacuum advance canister
• No CARB Exemption Order Number

• CNC-machined billet aluminum housing & base
• Easy-to-adjust mechanical advance
• Magnetic pickup & precision reluctor create stable trigger signals throughout rpm range
• Advance plate & weights fine blanked from chrome moly steel
• O-ring seals can be added to modified blocks to improve oil pressure control
• Supplied with HEI style distributor cap & rotor (accept Cap-A-Dapts)
• Must be used with an MSD Ignition Control
• Will not accept a vacuum advance canister
• No CARB Exemption Order Number

• Same features as PN 85551 Distributor plus adjustable slip collar for engines with modified deck heights
• CNC-machined billet aluminum housing & base
• Easy-to-adjust mechanical advance
• Magnetic pickup & precision reluctor create stable trigger signals throughout rpm range
• Advance plate & weights fine blanked from chrome moly steel
• O-ring seals can be added to modified blocks to improve oil pressure control
• Supplied with HEI style distributor cap & rotor (accept Cap-A-Dapts)
• Must be used with an MSD Ignition Control
• Will not accept a vacuum advance canister
• No CARB Exemption Order Number

• Melonized gear for steel hydraulic roller camshafts
• Racing DUI coil & dyna-module
• No add-on spark box is necessary
• Special racing advance curve
• Calibrated mechanical advance on a distributor machine with accurate timing curve
• DUI is hand built to exact tolerances
• Accurate & precise trigger signals
• Key parts of distributor are polished & lubed for smooth operation
• DUI is test fired before leaving our facility to insure all components are working properly
• Available in black, blue or red

• Critical fastener locks the timing in place
• Premium grade studs
• Equipped with vibration-resistant J-form threads
• Black oxide finished chrome moly
• Bullet nose helps guide nut into place without crossthreading
• 12-point nuts
• Washer included