NGK 3186 Platinum Spark Plug Kit Set of 8 for Camaro Silverado Yukon Corvette

Regular price $85.02
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  • Sku: EBY-AM-133602145422
  • Available: instock
  • Vendor: NGK
NGK 3186 Platinum Spark Plug Kit Set of 8 for Camaro Silverado Yukon Corvette
NGK 3186 Platinum Spark Plug Kit Set of 8 for Camaro Silverado Yukon Corvette
Regular price $85.02

NGK G-Power Platinum Spark Plug 8-Piece Set

High-Efficiency Ignition for LS and Vortec V8 Engines

Upgrade your engine's combustion efficiency with this 8-Piece NGK G-Power Platinum Spark Plug SetSpecifically designed for the legendary GM LS and Vortec engine families, these plugs (NGK Part 3186 / TR5GP) utilize a 0.6mm fine-wire platinum tip to concentrate spark energy. This advanced design requires less voltage to fire, leading to quicker cold starts, smoother idling, and a noticeable improvement in throttle response compared to standard copper plugs.

The G-Power series features a specialized trapezoid-cut ground electrode which reduces "quenching"—the tendency of the electrode to absorb heat from the flame kernel. By allowing the flame to grow more rapidly, these plugs ensure more complete fuel combustion, which can help maximize MPG and reduce tailpipe emissions in high-mileage trucks, SUVs, and performance cars.


Fitment Verification and Vehicle Applications

This 8-pack is a direct replacement for V8-equipped vehicles (including 4.6L, 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L engines):

  • Chevrolet: Silverado (1999–2013), Tahoe/Suburban (2000–2014), Camaro (1998–2002, 2010–2015), Corvette (1997–2013), Avalanche, Express Van, Impala SS.

  • GMC: Sierra (1999–2013), Yukon/Yukon XL (2000–2014), Savana Van, Envoy, Canyon.

  • Cadillac: Escalade (2002–2014), CTS-V (2004–2007), SRX, STS, XLR.

  • Pontiac: G8, GTO, Firebird (1998–2002), Grand Prix GXP.

  • Hummer: H2 (2003–2009), H3/H3T Alpha (2008–2010).

  • Other: Buick Rainier, Saab 9-7X, Isuzu Ascender.

  • LS Swaps: This is the go-to plug set for custom LS1, LS2, LS3, LM7, and LQ4/LQ9 engine conversions.


Technical Specifications and Attributes

  • Quantity: 8 Piece Set.

  • Product Line: NGK G-Power (Platinum).

  • Electrode Core: 98% Pure Copper for superior heat dissipation.

  • Electrode Tip: 0.6mm Fine-Wire Platinum for reduced sparking voltage.

  • Seat Type: Tapered (No gasket required).

  • Gap: Pre-set at 0.040 in (1.0mm).

  • Protection: Trivalent Metal Plating for anti-seize and anti-corrosion properties.


What’s in the Box

  • (8) NGK 3186 (TR5GP) G-Power Platinum Spark Plugs


Industry Cross-Reference Numbers

  • NGK: 3186, TR5GP

  • DIY Solutions: IGN00952

  • ACDelco: 41-962, 41-110, 41-162

  • Autolite: AP5245, APP5245

  • Champion: 3401, 7401


Installation and Technical Tips

  • Anti-Seize Warning: NGK plugs feature a trivalent plating that acts as a dry lubricant. The use of anti-seize on the threads is not recommended by the manufacturer, as it can cause over-torquing and potential damage to the cylinder head threads.

  • Check the Gap: While these are pre-gapped, always verify the gap with a wire-style feeler gauge before installation. Avoid using a "coin" style gapper on platinum tips, as it can damage the delicate center electrode.

  • Aluminum Head Safety: Only remove or install spark plugs when the engine is completely cool. Aluminum cylinder heads expand when hot, and attempting to service them while warm can lead to cross-threading or stripped threads.

  • Torque to Spec: For tapered-seat plugs in aluminum heads, finger-tighten until the plug seats, then snug an additional 1/16 to 1/8 of a turn (roughly 10–15 lb-ft).

For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

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