Under hood of my 99 LS silverado, it says gap should be .060, just as Trent said. So are these plugs .040, .044, or .060 ??

TSB for early LS engines Use .040" gap plugs

Will this fit a in a 97 f150 4.2l v6?

Autozone and o'riley have apps you can download to enter your information and it will show you what they have for your vehicle or go into the store. Its usually cheaper to buy on Amazon then buying from a parts store.

Are these plugs gaped already?

No they are not and as with any spark plugs they should always be double checked.

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NGK # 3186 G-Power Platinum Spark Plug TR5GP - 8 Pack

NGK # 3186 G-Power Platinum Spark Plug TR5GP - 8 Pack

Product ID: 738286667

Details

Brand
NGK
Core Material
Platinum
Thread Size
14x1.25mm
Top Material Type
Platinum
Vehicle Service Type
Car Truck

⚡High-performance ignition

🔋Long-lasting platinum tip

🛠️Precision engineered fit

Description

⚡ Ignite your drive with NGK’s platinum power!

BULK PACK ADVANTAGE - 8-pack bundle keeps your engine running strong without frequent replacements.
PLATINUM DURABILITY - Premium platinum electrode ensures extended lifespan and consistent performance.
TRUSTED NGK QUALITY - From the world leader in spark plugs, ensuring reliability and superior ignition.
PERFECT FIT EVERY TIME - Precision engineered dimensions guarantee seamless installation and reliable operation.
UNLEASH PEAK ENGINE POWER - Optimized spark delivery for smoother acceleration and enhanced fuel efficiency.

The NGK #3186 G-Power Platinum Spark Plug TR5GP comes in an 8-pack, featuring a durable platinum electrode for long-lasting, high-performance ignition. Designed with precise dimensions (8.4 x 2.4 x 16.9 cm) and weighing 327g, these plugs ensure a perfect fit and reliable engine performance, making them a trusted choice for professionals seeking efficiency and durability.

Specifications

ASIN	B00PMKOI06
Amazon Bestseller	#1,283,354 in Automotive ( See Top 100 in Automotive ) #7,554 in Automotive Replacement Spark Plugs
Brand Name	NGK
Compatible with Vehicle Type	Car, Truck
Core Material	Platinum
Customer Reviews	4.6 4.6 out of 5 stars (4,574)
Included Components	3186
Item Weight	327 g
Manufacturer	NGK
Manufacturer Part Number	3186
Model Number	TR5GP
OEM Equivalent Part Number	3186
Thread Size	14x1.25mm
Top Material Type	Platinum
Unit Count	8.00 本

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Great price for an authentic product. Fast international shipping too!

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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