![Compression Tester Spark Plug Hole Adapters [Set of 4]](https://www.jegs.com/images/mini_750/500/555/555-w80577.jpg)
Compression Tester Spark Plug Hole Adapters [Set of 4]
- 10 mm x 1.0
- 12 mm x 1.25
- 18 mm x 1.5
- Special 16 mm x 1.5 Ford adapter
Features:
- Kit contains the necessary adapter sizes to test compression or leak-down on most gas engines such as ATV's, automotive, lawn equipment, motorcycles, outboards, snowmobiles, and much more
- Fits compression and leak-down testers with a 14 mm x 1.25 male thread
- Rubber o-rings ensure a positive seal and accurate readings
Items You Need

JEGS
Flexible Air Valve Holder Combination 14mm and 18mm spark plug fitting
Part Number : 555-W84003
![Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-80509.jpg)
JEGS
Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]
Part Number : 555-80509
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010

PERMATEX
Fast Orange Xtreme Professional Grade Hand Cleaner 15fl oz Rocker Cap Bottle
Part Number : 775-25616

PROFORM
Piston Installation Kit Includes: Universal Ring Squaring Tool, Ring Compressor, & Heavy Duty Piston Install Tool
Part Number : 778-67652K3

JEGS
Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes
Part Number : 555-W80574

JEGS
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)
Part Number : 555-80500

JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502

JEGS
Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)
Part Number : 555-80501

PROFORM
66765 Electric Piston Ring Filer, Electronic Rechargeable Model
Part Number : 778-66765

JEGS
Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)
Part Number : 555-80501

JEGS
Piston Ring Filer & Grinder Tool 170/140 Grit
Part Number : 555-80514
![Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]](https://www.jegs.com/images/mini_200/700/778/778-66785.jpg)
PROFORM
Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]
Part Number : 778-66785

PROFORM
66765 Electric Piston Ring Filer, Electronic Rechargeable Model
Part Number : 778-66765

JEGS
Flexible Air Valve Holder Combination 14mm and 18mm spark plug fitting
Part Number : 555-W84003

JEGS
Dual-Gauge Leakdown Tester
Part Number : 555-80520
![Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-80509.jpg)
JEGS
Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]
Part Number : 555-80509

JEGS
123-Piece Tool Set with Carry Case
Part Number : 555-80427
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
![Heavy-Duty Nitrile Gloves [7 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1124.jpg)
JEGS
Heavy-Duty Nitrile Gloves [7 mils Thick, Large]
Part Number : 555-1124

JEGS
Microfiber Towels, Oversized 16" x 16"
Part Number : 555-80190

PERMATEX
Fast Orange Xtreme Professional Grade Hand Cleaner 15fl oz Rocker Cap Bottle
Part Number : 775-25616

TOTAL SEAL
Deluxe Piston Ring Expander Tool Universal
Part Number : 901-HAS1723

PROFORM
Piston Installation Kit Includes: Universal Ring Squaring Tool, Ring Compressor, & Heavy Duty Piston Install Tool
Part Number : 778-67652K3

JEGS
Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes
Part Number : 555-W80574

JEGS
32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)
Part Number : 555-80500

JEGS
Premium 10-Blade Feeler Gauge Kit 0.015 in. to 0.035 in. (0.381mm to 0.889mm)
Part Number : 555-80502

JEGS
Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)
Part Number : 555-80501

JEGS
Piston Ring Filer & Grinder Tool 170/140 Grit
Part Number : 555-80514
![Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]](https://www.jegs.com/images/mini_200/700/778/778-66785.jpg)
PROFORM
Engine Piston Ring Filer with Abrasive Wheel [Hand Crank]
Part Number : 778-66785

PROFORM
66765 Electric Piston Ring Filer, Electronic Rechargeable Model
Part Number : 778-66765

JEGS
Flexible Air Valve Holder Combination 14mm and 18mm spark plug fitting
Part Number : 555-W84003

JEGS
Dual-Gauge Leakdown Tester
Part Number : 555-80520
![Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-80509.jpg)
JEGS
Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]
Part Number : 555-80509

JEGS
123-Piece Tool Set with Carry Case
Part Number : 555-80427
⚠️ Warning
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

