Allstar Performance Spark Plug Gapper 14mm Steel — Feeler Gauge Set

SKU: DNLF_ALL96516
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About Allstar Performance Allstar Performance is America's leading circle-track racing ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Gapping for 14mm Spark Plugs

The Allstar Performance Spark Plug Gapper is a robust, steel-constructed tool designed specifically for 14mm thread spark plugs. Featuring an integrated range of feeler gauges from 0.010 to 0.035 inches, this tool provides the exact measurement needed to optimize your ignition system. The chrome-plated finish ensures resistance against corrosion, making it a reliable companion for years of engine tuning.

Technical Specifications

  • Designed for 14mm thread spark plugs
  • Includes feeler gauges: 0.010 to 0.035 inch range
  • Heavy-duty steel construction with chrome finish
  • Provides repeatable, accurate gap measurements
  • Perfect for street performance and track applications

Properly gapped spark plugs are essential for maintaining a strong, consistent spark under load. If your gap is too wide, you risk blowing out the spark; if it is too narrow, you may lose combustion efficiency. This gapper allows you to dial in your ignition system to match your engine's specific requirements, ensuring optimal power output and fuel efficiency. Whether you are a weekend warrior or a professional engine builder, this tool offers the accuracy you need to win. Find all your essential engine tools at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Gapping for 14mm Spark Plugs

The Allstar Performance Spark Plug Gapper is a robust, steel-constructed tool designed specifically for 14mm thread spark plugs. Featuring an integrated range of feeler gauges from 0.010 to 0.035 inches, this tool provides the exact measurement needed to optimize your ignition system. The chrome-plated finish ensures resistance against corrosion, making it a reliable companion for years of engine tuning.

Technical Specifications

  • Designed for 14mm thread spark plugs
  • Includes feeler gauges: 0.010 to 0.035 inch range
  • Heavy-duty steel construction with chrome finish
  • Provides repeatable, accurate gap measurements
  • Perfect for street performance and track applications

Properly gapped spark plugs are essential for maintaining a strong, consistent spark under load. If your gap is too wide, you risk blowing out the spark; if it is too narrow, you may lose combustion efficiency. This gapper allows you to dial in your ignition system to match your engine's specific requirements, ensuring optimal power output and fuel efficiency. Whether you are a weekend warrior or a professional engine builder, this tool offers the accuracy you need to win. Find all your essential engine tools at GGCRACING.

Product Details

Product Description

About Allstar Performance

Allstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.

Watch in action

Precision Gapping for 14mm Spark Plugs

The Allstar Performance Spark Plug Gapper is a robust, steel-constructed tool designed specifically for 14mm thread spark plugs. Featuring an integrated range of feeler gauges from 0.010 to 0.035 inches, this tool provides the exact measurement needed to optimize your ignition system. The chrome-plated finish ensures resistance against corrosion, making it a reliable companion for years of engine tuning.

Technical Specifications

  • Designed for 14mm thread spark plugs
  • Includes feeler gauges: 0.010 to 0.035 inch range
  • Heavy-duty steel construction with chrome finish
  • Provides repeatable, accurate gap measurements
  • Perfect for street performance and track applications

Properly gapped spark plugs are essential for maintaining a strong, consistent spark under load. If your gap is too wide, you risk blowing out the spark; if it is too narrow, you may lose combustion efficiency. This gapper allows you to dial in your ignition system to match your engine's specific requirements, ensuring optimal power output and fuel efficiency. Whether you are a weekend warrior or a professional engine builder, this tool offers the accuracy you need to win. Find all your essential engine tools at GGCRACING.

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