Aluminum Spark Plug Gap Tool & 32-Blade Feeler Gauge Kit
Aluminum Spark Plug Gap Tool & 32-Blade Feeler Gauge Kit
Aluminum Spark Plug Gap Tool Kit — Precision Gapping Made Easy
Get professional-grade spark plug gapping results at home or in the shop with this all-in-one Aluminum Spark Plug Gap Tool Kit. The kit pairs a solid matte red aluminum alloy gap adjuster with a full 32-blade stainless steel feeler gauge — everything you need to measure and set electrode clearance accurately, in one tidy package. Made in Mainland China.
What's in the Box
- 1 × Red Aluminum Spark Plug Gap Tool (152 × 32 × 32 mm)
- 1 × 32-Blade Stainless Steel Feeler Gauge (96 × 15 × 13 mm)
- 1 × Gap / Shim Gauge (38 × 38 mm) — includes a 0.25 mm brass blade for electronic ignition systems
Key Features
- Complete All-Inclusive Kit: Every tool required for spark plug gapping is included — no need to source additional accessories separately.
- Matte Aluminum Alloy Adjuster: Built from smooth, durable matte aluminum alloy. Simply seat the spark plug and turn the built-in knob to fine-tune electrode clearance quickly and precisely.
- Professional Tuning Tip: Use a gauge blade 10% thinner than your target gap size during adjustment to counteract electrode rebound — locking in an accurate, consistent gap dimension long term.
- 32-Blade Feeler Gauge: Stainless steel blades cover 0.04 mm / 0.002 in to 0.88 mm / 0.035 in. Bonus 0.25 mm brass blade handles precision measurement for electronic ignition systems.
- Wide Spark Plug Compatibility: Fits mainstream 10 mm, 12 mm, 14 mm, and 16 mm (0.39 / 0.47 / 0.55 / 0.63 in) threaded spark plugs. Not recommended for long 18 mm threaded spark plugs — verify your plug size before ordering.
Specifications
| Material | Aluminum Alloy (adjuster) / Stainless Steel (feeler blades) / Brass (shim blade) |
| Color | Red |
| Spark Plug Gauge Size | 152 × 32 × 32 mm / 5.98 × 1.26 × 1.26 in |
| Feeler Gauge Size | 96 × 15 × 13 mm / 3.78 × 0.59 × 0.51 in |
| Shim Gauge Size | 38 × 38 mm / 1.50 × 1.50 in |
| Feeler Gauge Range | 0.04 mm – 0.88 mm (0.002 in – 0.035 in), 32 blades |
| Compatible Plug Sizes | 10 / 12 / 14 / 16 mm threaded spark plugs |
| Country of Origin | Made in Mainland China |
Related Products You May Like
- 1PC 10g High Grade Silicon Grease Lubricant for O-Rings & Maintenance
- 3PCS Silicone Sealant Scraper Set – Multi-Functional Tool Kit
- 1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Repair Spanner
Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: Which spark plug thread sizes is this aluminum spark plug gap tool compatible with?
A: The spark plug gap tool is designed to fit the most common spark plug sizes — 10 mm, 12 mm, 14 mm, and 16 mm threaded plugs (equivalent to 0.39, 0.47, 0.55, and 0.63 inches). It is not recommended for longer 18 mm threaded spark plugs, so please verify your plug's thread size before purchasing.
Q: What is included in this spark plug gapping kit?
A: The kit includes one matte red aluminum alloy spark plug gap adjuster, one 32-blade stainless steel feeler gauge (ranging from 0.04 mm to 0.88 mm), and one shim/gap gauge that features a 0.25 mm brass blade specifically suited for electronic ignition systems.
Q: How do I use the professional tuning tip to get an accurate gap setting?
A: To account for electrode rebound after adjustment, select a feeler gauge blade that is approximately 10% thinner than your desired final gap size. Adjust to that thinner measurement, then check with the correct blade — the electrode will spring back to the precise target gap, giving you a consistent, accurate setting every time.
Q: Is this tool suitable for both home mechanics and professional garages?
A: Absolutely. The aluminum spark plug gap tool's intuitive twist-knob design and the comprehensive 32-blade feeler gauge make it equally effective for DIY enthusiasts performing their own tune-ups and professional technicians working in a full-service garage environment.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.