spark plug gap buyer’s guide

All in all, we spent hundreds of hours combing through thousands of user reviews to put together a comprehensive list of the best spark plug gap on the market. We then delved into these spark plug gap further and put together detailed reviews so that you can easily pick the best spark plug gap for your needs.

Best spark plug gap

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Best spark plug gap reviews

1. CTA Tools 3235 Ramp-Type Spark Plug Gapper

Feature

Range: 0.02 to 0.1-Inches (0.50 - 2.5-Millimeters)
Utilizes Die-Cast Construction for Accuracy
Featuring an Easy-to-Read Scale
Built to be Resilient and Flexible
Heavy-Duty Construction Allows for Strength and Durability

Description

CTA Tools 3235 Ramp-Type Spark Plug Gapper is engineered to measure clearances of spark plug gap size. It features a range of 0.02 to 0.1-inches (0.50 to 2.5-millimeters). This spark plug gapper is manufactured with rugged, all-steel materials. Heavy-duty construction allows for strength and durability. Whether tuning up your '68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

2. A & E Hand Tools 4450A E-Z Grip Spark Plug Gap Gauge

Feature

Tool includes a recess specifically designed to adjust electrodes
Metric gapping scale shown on reverse side
Has a pocket-clip

Description

This patented universal spark plug gauge is always at your fingertips by utilizing the pocket-clip feature for your shirt pocket. Full range coverage for all spark plug gapping requirements from .020 inch to .080 inch. This range includes older model vehicles and later model vehicles including those equipped with distributor less ignition systems.

3. Stainless Steel Feeler Gauge Dual Marked Metric and Imperial Measuring Tool (0.04-0.88 mm, 32 Blades)

Feature

Feeler gauge set: made of 65 manganese steel, each measuring feeler gauge has 32 blades thickness; Foldable feeler gauges, easy and convenient to take and store
Easy identification: dual marked metric and imperial, 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm, the numbers of size are etched into feeler gauge for easy identification
Metric sizes (mm): 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.25, 0.28, 0.30, 0.33, 0.35, 0.38, 0.40, 0.43, 0.45, 0.48, 0.50, 0.53, 0.55, 0.58, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.88
Inch sizes: 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.035
Warm notice: there is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don't worry about that

Description

Measuring blade gauge:
Made of 65 manganese steel, each measuring feeler gauge has 32 blades thickness; Foldable, easy and convenient to take and store.
The gap measuring tool is flexible so it is easy to get into hard to reach places.
The bundle of blades are able to be kept together so you can quickly pick the gauge you need or you can unscrew the finger nut and take the feeler out that you need to use so you do not have to wield the whole set.

2 Different units of measuring:
Dual marked metric and imperial, 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm, the numbers of size are etched into feeler gauge for easy identification.

32 Different metric sizes (mm): 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.25, 0.28, 0.30, 0.33, 0.35, 0.38, 0.40, 0.43, 0.45, 0.48, 0.50, 0.53, 0.55, 0.58, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.88.

32 Different imperial sizes (inch): 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.035.

Easy to use:
The blade protector has a thumb notch to aid in removal of blades, easy to use.

Wide application:
They can slide in and make the measurement easily and quickly; Be applied for many different things, such as setting lifter, sparking plug, points gap and so on.

Specifications:
Measuring range: 0.0015 inch/ 0.04 mm to 0.035 inch/ 0.88 mm
Material: 65 manganese steel
Blades: 32 pieces

Package includes:
1 x Feeler gauge

Warm notice:
There is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don't worry about that.

4. Lisle 67870 Spark Plug Gauge Gap

Feature

Made in Clarinda, Iowa, USA

Description

Gauges and Gaps all Types of Spark Plugs from .020" to .100" (.50mm to 2.53mm). Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring center electrode.

5. CTA Tools 3238 9 Wire Spark Plug Gap Gauge

Feature

Range of Sizes: 0.025, 0.030, 0.035, 0.040, 0.044, 0.045, 0.050, 0.055 and 0.060-Inches
Rugged All Steel Construction
Includes Built-In Gap Adjuster
Built for Resilience and Flexibility
Heavy-Duty Construction Allows for Strength and Durability

Description

CTA Tools 3238 Spark Plug Gap Gauge - 9-Wire is designed to accurately measure spark plug gaps. The sizes range from 0.025, 0.030, 0.035, 0.040, 0.044, 0.045, .0.050, 0.055 and 0.060-inches. Heavy-duty construction allows for strength and durability. Whether tuning up your '68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

6. Spark Plug Gap Gauge - Spark plug gap measuring tool Scaled from .020" to .100"

Feature

Easy to read - Spark Plug Gap Gauge scaled from 0.020" to 0.100"(0.6-2.4mm)
Accurate measuring - Accurately Measures and Adjusts Spark Plug Gap
Durability - Spark Plug Gap Gauge Improve the accuracy with die-casting structure
Key Ring Hole - Spark Plug Gap Opener - 7/16" Diameter
Accurately set spark plugs with electrode tool included

Description

This spark plug gap gauge is perfect for DIY automobile maintain use or the professional mechanic.Spark plug gap gauge tool measurement coin-type 0.6-2.4mm with flanged hole to adjust the side wire without damaging the center element and outer rim to measure the electrode gap.

Specifications:
SAE: .02 to .100"
Metric: 0.6 to 2.4 mm

Package Content:
1 x Spark Plug Gauge Gap

7. Stanley-Proto J000K Spark Plug Gap Gauge Set

Feature

Spark plug electrode bender and eight bent wire gauges in sizes .022-inch, .025-inch, .027-inch, .028-inch, .030-inch, .032-inch .035-inch .040-inch
Gauges marked with both decimal size and metric equivalent
0.07-lbs Weight

Description

Stanley J000K Proto Spark Plug Gap Gauge Set Spark plug electrode bender and eight bent wire gauges in sizes .020-inch, .025-inch, .028-inch, .030-inch, .032-inch, .034-inch .035-inch .040-inch. Gauges marked with both decimal size and metric equivalent. 0.07-lbs Weight.

8. 12MM K-Motor Engine Spark Plug Gap Tool Gapper Gapping Sparkplug Caliper Gauge

Feature

K-MOTOR PERFORMANCE Spark plug gap,gauge,caliper,gapper tool
Universal for all 12mm spark plugs
Matte black color
Magnetic screwdriver included.

Description

K-MOTOR PERFORMANCE

• Engine Spark Plug Gap Tool
• Universal for all12mmspark plugs
• magnetic screwdriver included

• This Spark Plug Gap Tool will give you that perfect gap every time.
• No more banging the plug tip on random surface to close it &
• then use a coin gap to open it back up.
• Do it once with precision with our tool.

Easy to use steps:

• Simply screw your spark plug into the bottom of our gap tool.
• Use your desired size feeler gauge for gap thickness.
• Turn the knob with the feeler gauge in place till the side electrode compresses to the desired gap thickness.

• - 6061 Billet Aluminum
• - CNC machined
• - Matte Black
• -Fits all 12mm Spark Plugs
• - Limited Lifetime Warranty

9. Performance Tool W80535 Spark Plug Gap Gauge

Feature

SAE: .02 to .100. Metric: 0.5 to 2.5 mm
Tapered hole adjusts electrode
Easy to read markings to set gaps quickly and easily
Accurately set spark plugs with electrode tool included.

Description

Performance Tool W80535 SAE: .02 to .100. Metric: 0.5 to 2.5 mm Tapered hole adjusts electrode Easy to read markings to set gaps quickly and easily

10. Aramox Spark Plug Caliper, 14mm Billet Aluminum Precision Car Spark Plug Gap Tool Sparkplug Caliper Gapper Gapping

Feature

Fitment: The sparkplug gap tool universal fit for various 14mm spark plugs.
Aftertmarket Replacement: It is a great aftermarket replace part for old or broken spark plug gapper, which helps to achieve a perfect spark plug gap.
Durable: Made of high quality 6061 Billet Aluminum material, it is rust-proof, corrosion-resistant and durable for long-term use.
Excellent Performance: Easy to use, compact, lightweight, easy to carry and store.
Quality Assurance: 12 months worry-free warranty.We are a professional seller. Please feel free to contact us if you meet any trouble in using our product.

Description

Specification:
Condition: 100% Brand New
Material: 6061 Billet Aluminum
Color: As Pictures Shown

Package List:
1 * Spark Plug Gap Tool

Conclusion

All above are our suggestions for spark plug gap. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using spark plug gap with us by comment in this post. Thank you!