As low as $0.75/mo with or . (Pay in 4 interest-free payments)
DENSO U-Groove Spark Plug — U-Groove (W20EP-U) Upgrade ignition performance with the DENSO U-Groove Spark Plug designed for dependable starting and efficient combustion in OEM-style applications. Built for off-road confidence and advanced spark stability, the W20EP-U features DENSO’s proven U-Groove ground electrode geometry. Key Features 100% pre-fired construction helps ensure reliable operation Copper core center electrode for superior thermal conductivity Unique five-rib insulator reduces flashover and helps decrease voltage loss Dual copper and glass seal bonds center electrode and insulator for a gas-tight seal Original Equipment quality for automotive applications Specifications Model: W20EP-U Type: Non-Resistor Ground Electrode Shape: U-Groove Thread Reach: 19.1 mm Hex Size: 20.6 mm Spark Gap: 0.8 mm (0.031") Center Electrode Projection: Projected Heat Range: 20 Center Electrode Type: Standard Electrode Tip Material: Nickel Alloy Terminal Configuration: Threaded Stud Riding Styles: Off-Road, Adventure Touring / Dual-Sport, ATV, UTV, Watercraft, Snow, Street Unit: Each DENSO W20EP-U is an excellent choice when you want consistent spark energy, reduced voltage loss, and OEM-level durability.
100 percent pre-fired to ensure reliable operation
Copper core center electrode for superior thermal conductivity
Unique five-rib insulator reduces flashover and decreases voltage loss
Dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal.
or 
. (Pay in 4 interest-free payments)
