0437S-4 ACCEL Spark Plug,Accel 4Pk
0437S-4 ACCEL Spark Plug, Accel 4Pk Upgrade your vehicle's performance with the ACCEL U-Groove Spark Plugs. Designed for high RPMs, these spark plugs deliver a larger spark, ensuring improved power and efficiency on the road. Experience enhanced throttle response and fuel economy while reducing fouling. Key Features: U-Groove Design: Optimized for superior spark delivery. Copper Core: Ensures maximum spark energy and performance. Purified Alumina Insulator: Prevents arcing for reliable ignition. Machine Rolled Threads: Protects cylinder heads from damage. Limited 90 Day Warranty: Confidence in your purchase. Specifications: Reach: 3/8 Inch Resistor: Yes Electrode Type: U-Groove Electrode Core Material: Copper Electrode Tip Material: Copper Insulator Type: Projected Thread Size: 14 Millimeter Seat Type: Flat Wrench Diameter: