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Review on Autolite 26 4PK Copper Resistor Spark by Brandon Miller

Revainrating 3 out of 5

The set of 4 had 1 wrong spark plug which could damage the piston

One of the spark plugs was from another manufacturer, Motorcraft AGSF22FM. Not an Autolith 26. The wrong one is more than twice as long. Had I not noticed and installed this, the extra length could easily have interfered with my piston and severely damaged my 1968 327 Vette engine. This is becoming an increasingly common problem with vintage car parts these days. Always triple check everything. Too many factory defects.

Pros
  • Spark plugs and wires
Cons
  • Cleanliness