Engine Service

Spark Plug Wire Puller 51250

A simple, yet effective tool for disengaging spark plug boots. Tool performs well in difficult areas such as recessed and obstructed plugs. Square shaft prevents slipping. Thick plastic handle prevents electric shock & provides greater pulling power...

Spark Plug Wire Puller 51600

Jaws are made to pull spark plug boots from different angles. The double-ended tool also pulls cartridge fuses up to 1" in diameter. Made of glass-filled nylon for shock resistance and extra strength. Lisle Tools Catalog

Offset Spark Plug Wire Removal Pliers 51420

The 5/8" opening of the pliers properly fits spark plug wire boots to help prevent damage. Offset design works great on boots with heat sleeves found on some GM engines. Easy-to-use in tight spaces such as rear boots on V6 transverse mounted engines...

Spark Plug Wire Removal Pliers 51410

The 5/8" opening of the pliers properly fits spark plug wire boots to prevent damage to spark plug wires. Tool is 7" long with offset tip to fit in tight spots. Lisle Tools Catalog

14mm/18mm Spark Plug & Oxygen Sensor Thread Chaser 20200

Cleans threads in spark plug holes, also oxygen sensor holes. Use with 3/4" spark plug socket. Lisle Tools Catalog

Coil On Plug Spark Tester 20700

It is the quickest way to test for no-start conditions. An inductive test cannot be performed, because there are no plug wires. High visibility white lettering makes it easy to read the gap measurement from 0 to 40k. The round knob provides easy gap...

Ignition Spark Tester 50850

A handy tool to check ignition spark without removing the spark plug. The tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Simply adjust calibration screw to proper gap size. Attach...

Inline Spark Tester w/ Coil On Plug Wire 20580

Connect the tool between the spark plug and the plug wire. The short wire is double ended to offer a straight boot and a 90-degree boot on one tool. With the engine running, the tool flashes a mirror image of the ignition spark. The additional 7"...

Replacement Bulb (for 20610/20580) 20680

Lisle Tools Catalog

Inline Spark Tester 20610

Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90° boot on one tool. With the engine running, the tool flashes a mirror image of...

Case for Aluminum Head Spark Plug Hole Repair Kit (65200) 65210

Lisle Tools Catalog

5 Pc. 1" Threaded Inserts (for 65200) 65110

Lisle Tools Catalog