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UNILITE

®

DISTRIBUTOR FOR 

1952-70 HARLEY DAVIDSON

®

SPORTSTER

®

MOTORCYCLES

PART NO. 576

NOTE: THIS DISTRIBUTOR WILL ALSO FIT 1930-73 FLATHEAD (45 AND UL).

INSTALLATION INSTRUCTIONS

FORM 1479 (REV. B) 08/03

GENERAL INFORMATION

Any coil or combination of coils with a total primary
resistance of at least 2.0 ohms can be used with this
distributor. We recommend a 2-3 ohm coil for racing
and a 3-4 ohm coil for street use. A coil with 4-5 ohms
resistance may be used. However, performance 
may be reduced, even in street applications. 
NOTE: Check the charging system and make sure
that it is producing no more than 16 volts.

We recommend a spark plug gap of .040" when using
a 2-3 ohm coil. A gap of .030" is recommended when
using a 3-4 ohm coil. 

An optional spring kit (PN 29014) is available for this
distributor. The kit gives you a choice of 14 different
advance curve settings.

INSTALLATION

Step 1

Turn the ignition switch to the off position. With the
point distributor still in place and correctly timed,
rotate the engine until the points begin to open on 
the front cylinder lobe. The front cylinder lobe is the
narrower of the two.

If the point distributor is not installed, rotate the engine
to the beginning of the compression stroke. Locate the
timing hole. Continue rotating the engine until the
advance mark is visible through the timing hole.

Step 2

Remove the ground cable from the battery. Remove
the point wire at the coil. Remove the point distributor.

MALLORY TECHNICAL SUPPORT

(775) 882-6600

Visit us on the web at: www.mrgasket.com

IMPORTANT

A 1952-70 Sportster

®

DISTRIBUTOR CLAMP (ORIGINAL OR AFTERMARKET) IS REQUIRED 

TO INSTALL THIS DISTRIBUTOR. BECAUSE THE UNILITE

®

MODULE USED WITH THIS 

DISTRIBUTOR REQUIRES 7-16 VOLTS, A 12 VOLT ELECTRICAL SYSTEM IS ALSO REQUIRED.

FIGURE A

HOUSING

ADAPTER RING

STANDOFF

SCREW

SLEEVE NUT

SHAFT

SET SCREW

COVER

UNILITE PLATE ASSY

SHUTTER WHEEL

GROMMET

PIN

YH ADVANCE

O-RING

GEAR

ROLL PIN 

WASHER

CONNECTOR

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