FEELER GAUGES

Check spark plug gaps, distributor points, bearing or valve tappet clearances and piston fittings Inch and metric sizes etched on each blade. Blades ... more

LISLE® INLINE SPARK TESTER

Gives a visual check of the ignition system Quickly diagnose problems with all ignition systems Easy to use—with engine running, connect the ... more

LISLE® INLINE SPARK INDICATOR

Tests spark plugs, spark plug wires and coils without puncturing the wire Easy to use—with engine running, place the grooved end of the tool ov... more

LISLE® INLINE SPARK TESTER AND SPARK INDICATOR

Two easy-to-use, affordable tools designed to check the ignition system and spark plugs, coils and wires ... more

SPARK PLUG CLEANER

Compatible with standard air compressors Easily installed on any air line. 2-way valve action permits use of either abrasive blast or air to clea... more

5-PIECE SPARK PLUG HOLE RE-THREADING KIT

Quickly, easily repairs and renews stripped/damaged aluminum cylinder heads on cars, trucks, motorcycles, lawn mowers, small engines. Special combinat... more

SPARK PLUG RE-THREADING KIT EXTRA 14MM INSERTS

14MM Sold in pairs Choice of 3/8", 7/16", 1/2" & 3/4" ... more

EXTRA-LONG SPARK PLUG SOCKET

5/8" socket is 4-1/2" long, for ease in placing/removing plugs in deep recesses, especially new V6 engines. Heavy-duty rubber insert grips plug withou... more

ALDOR™ HIGH-VOLTAGE SPARK PLUG SETS

Engineered for motors using excessive oil Self-cleaning plugs will not foul Fires when other plugs fail The best plugs for high-mileage engines!... more

SPLITFIRE® TRIPLE PLATINUM SPARK PLUG

Guaranteed by Splitfire® to outperform any plug you\'ve ever used or you get your money back! The last spark plug you\'ll ever have to buy for y... more

SPLITFIRE® PERFORMANCE SPARK PLUGS

Guaranteed to outperform any spark plug you\'ve ever used! Lifetime warranty Patented "V" shaped split electrode unleashes a virtual firestorm int... more

NOLOGY® SPEED THRILLS PERFORMANCE SPARK PLUGS

Outperforms all other plugs and delivers the most powerful spark with pure silver electrodes Up to 137% more spark power for increased horsepower an... more

DENSO IRIDIUM SPARK PLUG

Iridium (extracted from meteorites) is far superior to platinum—6 times harder, 8 times stronger and able to take temperatures up to 1200° ... more

ACCEL® U-GROOVE SPARK PLUGS

The best there is! Outperform V-design, split and platinum plugs Made exclusively for high-performance street and racing engines Put more fire "... more

SPLITFIRE® PERFORMANCE SPARK PLUGS

Unleashes a virtual firestorm into cylinder chamber Helps deliver more complete combustion Patented split "V" electrode Maximum percentage of fu... more

SK® DOUBLE-SWIVEL SPARK PLUG SOCKET SET

Unlike standard sockets, these sockets work at 30° angle, making access to hard-to-reach spark plugs easier Pivot at 2 points for even more acce... more

ACCEL® U-GROOVE™ RACE-PROVEN HIGH-PERFORMANCE HEADER PLUGS

End burned spark plug boots forever…shortened design solves spark plug header clearance problems! End burned spark plug boots forever…sh... more

E3™ SPARK PLUGS

Produces up to 12% more power, reducing fuel consumption up to 13% while cutting harmful toxic emissions up to 58% By reducing carbon deposits, your... more

E3™ SPARK PLUGS

Produces up to 12% more power, reducing fuel consumption up to 13% while cutting harmful toxic emissions up to 58%. Increases both 2- and 4-cycle engi... more

ROUSH® COLDER SPARK PLUGS

Prevent pre-ignition and detonation of the fuel due to the higher cylinder temperatures found in supercharged engines with these colder spark plugs Th... more

ROUSH® SPARK PLUG COVERS

Come with the ROUSH® logo for custom look ... more