Patented U-groove ground electrode: Produces a double-wide, hotter spark for ignition in high-compression engines
Pure copper nickel alloy electrode: Enhances heat dissipation and reduces fouling for longer plug life
Sintered alumina heavy-duty five-rib insulator: Prevents flashover and overheating during high-performance and long-range use
C-cut design: Un-shrouds the spark kernel for improved burn efficiency
Machined rolled threads: Ensures precise thread engagement for optimal fit
Summarized by Shop
ACCEL U-Groove performance spark plugs have a patented U-shaped ground electrode that produces a double wide, hotter spark to ignite standard or even the highest compression engines. The sintered alumina heavy-duty five rib insulator eliminates flashover and overheating that occurs with high performance and long range applications. ACCEL
