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Review on Sierra International 18 5239 Electronic Distributors by Victor Rodriguez

Revainrating 5 out of 5

Great upgrade for an old ignition module

Better and much cheaper than replacing old manifolds. Seams are expensive but worth it. Replaced both in my 89 Big Block Crusader and man what an improvement. A nice subtle update on the old thick metal original.

Pros
  • Replaces contacts and capacitors for true solid state ignition; Fits: Prestolite IDU-7801 Manifold
Cons
  • Small Parts