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NAPA Auto Parts GRANDVIEW
844 Grandview Ave
Columbus,  OH  43215-1124
(614) 488-3176
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Autolite High Thread Spark Plug

Autolite High Thread Spark Plug

Part #: ASP HT0
Line: Autolite
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Features & Benefits

Warranty: Standard : 5 Years

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Autolite® High Thread Pro® plugs are an OE patented design exclusively for Ford 3V engines. Its comprehensive seal provides more durability, greater power, improved heat transfer, and a more focused ignition, ensuring your engine reaches and maintains optimal performance levels.


  • Engineered with a fine-wire platinum design that provides more focused ignition power and longer service life.
  • The ground strap provides improved heat transfer over standard J-gap plugs.
  • Its proprietary design improves performance for heat management, fouling resistance & increased dielectric strength.
  • The position of the thread above the cylinder head seating allows for a more compressive seal.
  • Designed with a nickel-plated shell that delivers increased protection against corrosion.
  • 4 year limited warranty
  • Visit the Autolite Brand Page to learn more about our products.

Specifications

Ground Electrode Quantity 1
Insulator Type Projected
Manufacturer Part Number HT0
Terminal Type Non-removable Nut
Spark Plug Reach 1 in.
VMRS Code 033003005
Spark Plug Seat Type Tapered
Spark plug Inductive No
Thread Size 16 mm
Quality Level Best
Spark Plug Heat Range Autolite 12
Brand Autolite
Spark Plug Thread Size 16 mm
Gap Size 0.035 in
Seat Type Tapered
Electrode Core Material Single Platinum
Insulator Material Ceramic
Spark Plug Resistor Yes
Resistor Type Yes
Spark Plug Hex Size 9/16 in.
SDS Required No
Grade Type Performance
Hex Size 5/8 in

Safety Information

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