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Your cart is empty.NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM Rubber. Ceramic resistors are used to ensure optimum performance and reliability. Resistor covers must withstand extreme heat, vibration, prevent flashover and must be water proof. NGK Spark Plugs superior design ensures optimal service life and performance. Resistor covers are for motorcycle, marine, snowmobile and small engine applications only.
Jesse
September 6, 2025
Installed extremely easy. Makes a very good spark. Recommended.
Jason Rickey
September 5, 2025
Great product. Made well and works great.
Brian A. Whatcott
August 12, 2025
This appears TO BE A TREACHEROUS PRODUCT: RECOMMENDED FOR ROTAX ENGINES - YET ITS RESISTANCE GROWS UNTIL THE PATH IS OPEN CIRCUIT, WHICH OVER STRESSES THE IGNITION COIL, sHAme on NGK!
JF
July 8, 2025
This was exactly as described and works perfect! Arrived fast!
hossjc63
June 25, 2025
Exactly what I needed for my small portable Westinghouse I2500 generator. Was easy to install
gs750e
June 20, 2025
putting on my trail bike one of these spark plug caps with the NGK printed on it not only made a rather dismal looking Chinese dirt bike look cooler and run better, but will shield the spark plug from that dreaded mud hole I may encounter from time to time. Definitely recommend.
Luc
June 19, 2025
Great quality. I used this to replace the cap on a 91 Polaris snowmobile.Replacing the spark plug cap was really easy, Just make sure you cut at least 1/2 inch or 1cm from the spark plug wire before you screw it in so that you get a good contact surface on the wire
Justin
June 5, 2025
Replaced my old cap on my Polaris scrambler. Fits perfectly and quad started right up. I bought 2 to keep one on hand since the one that was on it broke while riding.
Cliente
April 8, 2025
ottimo prodotto
Antonio
February 25, 2025
Queda perfecto y cumple con su labor
Daniel
February 11, 2025
Yo compre dos. Van perfectas y son tal y como las describen el numero de referencia NGK. Para mi motor Rotax 503 van de lujo y a buen precio.
Customer
January 18, 2025
Not much to say. Resistance check is correct. Works perfectly
Marco
December 22, 2024
Prodotto come da descrizione, arrivato nei tempi previsti, eccellente rapporto qualità prezzo
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