Surface gap plugs are nearly immune to pre-ignition, and usually require a special high energy ignition system. They can be susceptible to fouling, especially in colder applications, but may be necessary in high compression applications.
Features:
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
Specifications:
Shell
- Thread Diameter 14mm
- Thread Pitch 1.25mm
- Seat Type Gasket
- Reach 12.7mm (1/2")
- Hex Size 13/16" (21mm)
- Terminal Type Solid
- Overall Height ISO
- Gap .016" (0.4mm)
Center Electrode
- Material Nickel
- Type Standard
- Size 2.5mm
- Projection Non-Projected
- Ground Electrode
- Material Nickel
- Type Surface Discharge
Specifications
- Resistor Yes
- Resistor Type Inductive
- Resistor Value 35 Ohms
- Heat Range 8
- Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Part Information
- Brand NGK/NTK
- Warranty 60 Days
Smart VIP Price Promise
Our prices are very Smart at Smart Marine! Our Smart VIP Membership and committment to great deals makes sure of that, but if you find a lower price, tell us- we will match it!*
Price Promise Terms & Conditions
- Excludes limited time specials, clearances, non-stocked products, overseas websites, price comparison websites and eBay/TradeMe.
- Applies to identical products, in stock in NZ with pricing valid at time of price match request and purchase, with evidence supplied.
- Excluded Products: clearance, run-out, distress, damaged/soiled, parallel imported, non-stocks, trade quotes, commercial quantities, credit account holders, insurance claims, services, typos, overseas websites, price comparison websites, auction websites.
- Free product, offers, sales and promotions cannot be redeemed with price matches.
- The price match applies to the total cost to buy including shipping, taxes and fees.
- Approved Price Promise Matches and purchases can only be redeemed with our store crew. Please contact your closest store with stock.
- Short term finance may not be available with some price matched purchases. Please enquire.
