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1968-1974 GMC K35/K3500 Pickup
Ferro Spiral Core Developed For Performance Use
1969-1974 Ford E-100 Econoline
Available with an optional black “Thermal Coating” finish for improved cooling
Allstar Performance Spark Plug Indexing Tool 9510CD 1968-1974 GMC K35/K3500 PickupIndexing positions the ground strap of the spark plug properly for best piston dome clearance and un shrouds the electrode for a more even burn and possible gains of 5 15 horsepower. Works with flat gasket or taper seat 14mm spark plugs. Includes instructions. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over
