Best Bosch Performance Spark Plugs in 2026

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage

Includes (4) BR8ES Spark Plugs.

Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Resistor Value: 5K Ohm, Reach: 19mm (3/4").

Hex Size: 13/16" (21mm), Terminal Type: Removable Nut, Overall Height: ISO, Gap:.031" (0.8mm).

Specs: Description: Spark Plug, Plug Type: Resistor, Packaging type: OEM package, Boxed individually, Order 4 for complete carton

Replaces OEM Numbers: Ariens: 21540800, Carlton: SPSCR11, Club Car: 1016111, 1018811-01, AM10724, Columbia: 32309-69, 32309-69A, E-Z-GO: 25523G4, 72867G01, Honda: 08981-999-000, 98079-55145, Hyundai: GG1-111090, John Deere: AE29626, AM36791, AT21343, M802138, Kawasaki: 92070-2088, NGK: 4006, 7734, 7832, BP5ES, BPR5ES, Subaru: 065-01402-80, 065-01404-80, X65-01404-80, Toro: 100-2622, 98079-55846

Compatible with: Club Car: Golf carts with Kawasaki 9 and 11 HP OHV engines, Columbia: Golf carts 1972 thru 1981, Honda: GX160QX2, GX120, GXV120, GX160,GXV160, GX200, GXV200, GX240, GXV240,GX270, GXV270, GX340, GXV340, GX390, GXV390, GX610, GXV610, GX620, GX640, GXV620, GXV640, GX670, John Deere: Walk Behind Greens Mowers, Bunker and Field Rakes; Gator 4x2, Kawasaki: FH680V-AS01 and FC420V replacement parts

Copper Plus - Dependable Performance and Durability

OE type replacement plug

Copper core center electrode allows for accurate control of heat range for longer life

Extreme performance upgrade via OEM spark plugs and provide a lifetime at 40,000 50,000 miles.

Plugs have a fine-wire Iridium center electrode and nickel-alloy terrain electrodes for maximum engine and torque.

Designed for fuel-injected and turbo engines.

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Come pre-gapped

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage

FREE SHIPPING to anywhere IN USA and territories For This Item

Better Performance

Good Brand Name NGK

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior

The 0.6mm laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose, the corrugated ribs on insulator, and a triple gasket seal eliminates combustion gas leakage

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator , the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage

Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance

Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer

Nickel-chrome alloy sheathing on the ground and center electrodes help resist wear from spark erosion and the corrosive environment of the combustion chamber

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Designed to operate over a much wider heat range than ordinary plugs

Resists carbon buildup and pre-ignition

Patented triple gasket sealing process eliminates the possibility of combustion gas leakage

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Iridium offers excellent engine idle stability and smooth performance

Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration

Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

NGK 6046 now s/s to NGK 97637

NGK 97637 DCPR7EIX is the Newest Number

NGK is the world's largest supplier of OEM spark plugs

Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity.

Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose avoid fouling, the corrugated ribs on insulator avoid flashover, and a triple gasket seal eliminates combustion gas leakage

Specs: Description: Spark Plug, Plug Type: Resistor, Packaging type: OEM package, Small engines application, Boxed individually, Order 10 for complete carton

Replaces OEM Numbers: Echo: 90114Y, A425000000, Husqvarna: 584968101, ICS: 514770, Kawasaki: 92070-2115, NGK: 2218, BPMR8Y

Compatible With/Replacement For: Echo: PB series backpack Blowers, ICS: 613GC and 633GC, Shindaiwa: DF212 and EB633

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed

This 4 pack Champion Copper Plus 980 Spark Plug replaces Champion Spark Plug XC92YC, parts and is perfect for replacement or a performance upgrade.

IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus SME Spark Plug boosts performance so that your engine runs at its best. For projects large and small, the Champion Copper Plus SME spark plugs are the right plugs for the job. They help power millions of small engines, including mowers, tractors, and similar small engine machines

CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus SME Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug. The Ultraseal-coated shell reliably withstands soot and offers superior etching tolerance, ensuring long-lasting sparking capabilities and dependable performance and durability

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

DENSO Unique Twin-Tip Structure

1.1mm platinum center electrode

360 Laser welding

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed

Fit Type: Universal Fit

The Patented Diamondfire Ground Electrode Is Secured To The Shell With Two Legs To Help Facilitate Heat Transfer, And To Withstand The Intense Vibration Of Powersport Engine Applications

Improved Starts: Patented Edge-To-Edge Design Concentrates Spark Energy, Which Results In Quick And Easy Starts In Any Conditions

MAXIMUM PERFORMANCE: Every Double Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration. Full copper core electrode provides better performance in all conditions

IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer

CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life