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MSD Performance 8428
GM HEI Weight & Spring Kit; The Kit comes with new advance weights, springs to set the rate of advance and new bushings.
PerTronix D700700
Advance Spring Kit PTx Billet Distr; PERTRONIX MECHANICAL ADVANCE KIT WITH LIMITER FOR ALL FLAME-THROWER BILLET DISTRIBUTORS.
Top Street Performance JM6913
HEI Distributor Vacuum Advance Block-off, Reverse Rotation
Top Street Performance JM6914
HEI Distributor Vacuum Advance Block-off, Standard Rotation
FAST - Fuel Air Spark Technology 1000-2503
HEI Distributor Advance Lock-Out Kit
MSD Performance 8468
Vacuum Advance Lockout; For use with Distributors, PN 8360, PN 8361 and PN 8572.
MSD Performance 88364
Vacuum Advance Lockout for GM HEI; Quick easy components to lock out timing on GM HEI distributors.
