NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM rubber. Ceramic resistors ensure optimum performance and reliability. Withstands extreme heat and vibration, prevents flashover, and is waterproof. For motorcycle, marine, snowmobile, and small engine applications only.
Ultra-fine 0.6mm iridium tip sharpens throttle response and acceleration; 40,000-60,000 mile fine-wire performance.
G-Power Platinum spark plug designed to operate over a wider heat range than ordinary plugs; resists carbon buildup and pre-ignition. Pack of 8.
Genuine OEM NGK Iridium IX replacement spark plug, part number 3521; pack of 4.
Iridium IX spark plug 8-pack; replaces MZ602090, BY481-LFR5A and more; 40,000-60,000 mile rating.