MSD 8620 Chevy Big Block Crank Trigger Kit Installation User Manual
MSD For the car
Important: Read the instructions before attempting the installation.
Note: On some vehicles the MSD Crank Trigger Kit may require slight modifications to accommodate
special engine plates, pulley systems, etc.
INSTALLING THE PICKUP AND BRACKET
1. Mount the pickup holder onto the bracket
using the two fine thread bolts (Figure 1).
The pickup base will only install one way,
do not try to force the bolts in, and hand
tighten the bolts.
2. Install the bracket onto the engine. The
bracket may be mounted on either side
of the balancer. Be sure to use the correct
length bolts and shims in the proper
location.
3. Install the pickup and locknut into the
holder. Do not tighten the locknut at this
time.
Parts Included:
1 - Trigger Wheel
2 - Bolts, 5/16" - 24 x 1¼"
1 - Pickup Holder Assembly
3 - Bolts, 5/16"- 18 x 1¼"
1 - Trigger Wheel Spacer 3 - 5/16" Washers
1 - Non Magnetic Pickup Assembly 2 - Bolts, 7/16"- 14 x 2" Hex
1 - Pickup Base
4 - Spacers
Tech Bulletin #104
Figure 1 Pickup Bracket Assembly.
Flying Magnet Crank Trigger Kit
Chevrolet Big Block V8 Engines
PN 8620
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
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