Car Boat Motorcycle Powersports Camper Recreation Truck Tools Guaranteed vehicle fit Military & first responder discount Easy Returns
Your cart 0 items
Subtotal $0.00
VIEW CART →
NGK Authorized Dealer

Racing Spark Plug

Part Number 4660 (132648501)
$190.87 $643.20 SAVE 70%
Out of stock

Description

NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special configurations are used for a wide variety of racing applications.

Features & benefits

  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
  • Special insulator nose configurations improve throttle response
  • Corrugated ribs prevent flashover
  • Copper core aids in heat removal
  • Triple seals prevent leakage
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • DESIGNED FOR RACING: Fine wire center electrode provides consistent performance
  • NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • RECOMMENDED USAGE: Racing use only, featuring special configurations and designs to ensure durability and ignitability
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads

Specifications

Center Electrode Core Material Copper
Center Electrode Design Fine Wire
Center Electrode Insulator Tip Projection 3.0
Center Electrode Projection Mid Projection
Center Electrode Tip Material Iridium
Electrical Terminal Type Non-Removable Nut
Grade Type Performance
Ground Configuration J-Gap
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Taper Cut
Ground Electrode Tip Material Nickel
Hex Size 5/8" (16mm)
Insulator Height 50.5
Insulator Material Ceramic
Manufacturer Heat Range 9
Metallurgy Single Iridium
Part Number R7433-9
Pre-Gap Size 0.7
Reach 19.0
Resistance 5000.0
Resistor Type Yes
Seat Type Flat
Service Number R7433-9
Short Style Spark Plug No
Skirt No
Skirt Length 0.0
Stock Number 4660
Street Legal Yes
Thread Size M14 - 1.25
Thread Type Standard Metric
Washer Type Crush
Washer(s) Included Yes

Warranty

2 Months

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

Unlock Your iD Perks

Subscribe to our newsletter to receive exclusive offers, product recommendations, expert tips and more.