Autolite AP64 Platinum Spark Plug

The Autolite AP64 is a single platinum spark plug engineered with a platinum-tipped center electrode that delivers precision firing, reduced gap erosion, increased durability, and improved fuel efficiency over the life of the plug. The copper core improves resistance to fouling, ensuring consistent performance even in demanding conditions.

Key Features:

• High nickel alloy side electrode maintains a precise gap and ensures virtually no gap erosion for longer plug life
• Necked-down center electrode fires quicker, cleaner, and with less voltage for easier starts, quicker acceleration, and improved fuel economy
• High alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength
• Multi-rib insulator prevents flash-over
• Nickel-plated shell is corrosion resistant for extended life
• Leak proof, heat fused resistor for added stability

Specifications:

• Thread Size: 14mm x 1.25mm
• Reach: 19mm (3/4")
• Hex Size: 13/16" (21mm)
• Gap: 0.043" (1.1mm)
• Seat Type: Gasket
• Resistor: Yes
• Heat Range: 9

Installation:

• Torque Specifications - Cast Iron: 26-29 lb-ft; Aluminum: 15-22 lb-ft

Autolite Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. This plug comes with a 4-year warranty and is rated for up to 50,000 miles of service.