MSD 84673 Installation
MSD Rotor, PN 84673
Replacement Rotor for PN 8351, PN 8353 and PN
84891 Distributors
Parts Included:
1 – Rotor, PN 84673
2 – 5/8” Phillips Head Screws
WARNING: Disconnect the battery during installation. When
disconnecting the batter y, always rem ove the
negative cable first and install it last.
Mark the location of the plug wires before removing them from the
cap. Remove the cap and rotor. Install the new rotor being sure
the round and square aligning pegs are lined up correctly on the
advance plate. Install the Belleville washers with the dome facing
up on the screws and tighten the rotor (Figure 1). Install the cap
and plug wires.
M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
© 2012 Autotr onic Controls C orporation
FRM27525 Revised 01/12 Printed in U.S.A.
2 – Belleville Washers
Figure 1 Washer Installation.
MSD Rotor, PN 84673
Replacement Rotor for PN 8351, PN 8353 and PN
84891 Distributors
Parts Included:
1 – Rotor, PN 84673
2 – 5/8” Phillips Head Screws
WARNING: Disconnect the battery dur ing installation. When
disconnecting the batter y, always rem ove the
negative cable first and install it last.
Mark the location of the plug wires before removing them from the
cap. Remove the cap and rotor. Install the new rotor being sure
the round and square aligning pegs are lined up correctly on the
advance plate. Install the Belleville washers with the dome facing
up on the screws and tighten the rotor (Figure 1). Install the cap
and plug wires.
M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
© 2012 Autotr onic Controls C orporation
FRM27525 Revised 01/12 Printed in U.S.A.
2 – Belleville Washers
Figure 1 Washer Installation.
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