Granatelli
Granatelli Precision Spark Plug Gapping Tool for Turbo, Supercharged & Performance Engines β 540109
Granatelli Precision Spark Plug Gapping Tool for Turbo, Supercharged & Performance Engines β 540109
Regular price
$98.75 USD
Regular price
$103.95 USD
Sale price
$98.75 USD
Shipping calculated at checkout.
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Turbo, Supercharged & Performance Engines β 540109Fitment notes & questions
Precision Spark Plug Gapping Tool by Granatelli. Check the part number and details below against what you are replacing. Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Quick facts
- Brand: Granatelli
- Part type: Ignition part
- Part number: 540109
Specifications
- Three interchangeable threaded tips: M10x1.0, M14x1.25 and M12x1.25
- Product Type: Spark Plug Gapping / Adjustment Tool
- Primary Function: Controlled Spark Plug Gap Adjustment
- Recommended Use: Street, Performance, Turbo, Supercharged & Racing Engines
- Application: Universal Performance Tool
- Threaded Tips: Three interchangeable: M10x1.0, M14x1.25 and M12x1.25
- Iridium Plugs: Safe to use on iridium spark plugs
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

Before you order: Turbo, Supercharged & Performance Engines β 540109 ignition part fitment
Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Fitment notes
- Listed for: Turbo, Supercharged & Performance Engines β 540109.
- Specs, lead time and warranty come from Granatelli and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- Plug wires or boots. Old wires and boots crack.
More for your car: Spark Plugs Β· All Spark Plugs Β· Batteries & electrical
Questions about Turbo, Supercharged & Performance Engines β 540109 ignition part
Will this fit my Turbo, Supercharged & Performance Engines β 540109?
It is listed for the Turbo, Supercharged & Performance Engines β 540109. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From Granatelli. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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