Best Spark Plugs For Chevy 305: image
Best Overall

  • Brand:ACDelco
  • Core Material:Copper
  • Top Material Type:Nickel

Most Discussed

  • Brand:Champion
  • Core Material:Platinum
  • Top Material Type:Metal

Best Spark Plugs For Chevy 305

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Top 10 Best Spark Plugs For Chevy 305

1

Denso (5026) T16PR-U11 Traditional Spark Plug, Pack of 1

1 ratings | 12 offers | 1 Reviews
Price: $1.46$8.64
Why we chose it
  • Stable combustion during idling
  • Improved cold-starting
  • Efficient fuel consumption
  • Increases engine performance and throttle response
  • T16PR-U11
Denso (5026) T16PR-U11 Traditional Spark Plug, Pack of 1: image
100%
customers recommend this product
5/ 5
2

Champion Copper Plus 18 Spark Plug (Carton of 1)

53 ratings | 20 offers | 53 Reviews
Price: $0.75$12.05
Why we chose it
  • Champion copper plus spark plugs use TinTac and Ultraseal Shells, this eliminates the need for the use of anti-seize compound during installation by providing the best corrosion protection of any spark plug in the industry
  • Built to ISO and SAE standards for proven performance
  • Provides longer life Copper core center electrode allows for accurate control of the plug’s heat range, optimizing the plug’s performance and adding to the longevity of the spark plug
  • Durable: Champion copper plus spark plugs are built to ISO and SAE standards for proven performance Champion’s patented SAC-9 semi-conductor resistor provides maximum EMI and RFI suppression
  • Copper Plus – Dependable Performance and Durability
  • Superior corrosion resistance
  • Copper core center electrode allows for accurate control of heat range for longer life
  • The Champion copper plus spark plug features a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics
Champion Copper Plus 18 Spark Plug (Carton of 1): image
94%
customers recommend this product
4.7/ 5
Top Pick
3

ACDelco GM Original Equipment R45TS Conventional Spark Plug

339 ratings | 20 offers | 339 Reviews
Price: $1.69$13.94
Why we chose it
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Available for use in Marine applications
  • Copper core provides great heat transfer and helps maximize plug durability
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Black Onyx coating helps reduce corrosion
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
ACDelco GM Original Equipment R45TS Conventional Spark Plug: image
94%
customers recommend this product
4.7/ 5
Value for money4.4
Mileage4.4
Easy to install3.2
4

NGK 6630 V-Power Spark Plug – UR4, 4 Pack

16 ratings | 5 offers | 16 Reviews
Price: $6.96$20.79
Why we chose it
  • Actual OE or equivalent spark plug
  • Offers reliable performance
  • Tested to the highest OE standards
  • Trivalent metal plating eliminates the need for anti-seize
  • Improved ignitability over standard nickel plugs
NGK 6630 V-Power Spark Plug - UR4, 4 Pack: image
66%
customers recommend this product
3.3/ 5
5

Champion Platinum Power 3018 Spark Plug (Carton of 1)

28 ratings | 10 offers | 28 Reviews
Price: $3.08$7.56
Why we chose it
  • Platinum center electrode for long life
  • Platinum conductor Center electrode platinum tip wears less than a standard spark plug This allows the plug to maintain the gap setting throughout its life
  • V-trimmed ground electrode promotes sharper spark focus
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
Champion Platinum Power 3018 Spark Plug (Carton of 1): image
90%
customers recommend this product
4.5/ 5
6

NGK 2869 Spark Plug

8 ratings | 7 offers | 8 Reviews
Price: $5.62$9.98
Why we chose it
  • NGK GP Platinum Tipped Center Electrode
  • NGK Part# UR4GP
NGK 2869 Spark Plug: image
94%
customers recommend this product
4.7/ 5
7

Denso (4509) PTF16TT Platinum TT Spark Plug, (Pack of 1)

4 ratings | 5 offers | 4 Reviews
Price: $2.65$6.92
Why we chose it
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
Denso (4509) PTF16TT Platinum TT Spark Plug, (Pack of 1): image
90%
customers recommend this product
4.5/ 5
8

Champion Premium Gold Spark Plug 2025 – Pack of 4

1 ratings | 1 offers | 1 Reviews
Price starts from: $19.65
Why we chose it
  • Resists corrosion and spark seizure
  • Gold Palladium Performance Plug
Champion Premium Gold Spark Plug 2025 - Pack of 4: image
100%
customers recommend this product
5/ 5
9

NGK 7401 Spark Plug

2 ratings | 2 offers | 2 Reviews
Price: $11.76$17.83
Why we chose it
  • center electrode tip material : iridium
  • ground electrode quantity : 1
  • ground electrode core material : nickel core
  • ground configuration : standard
  • Fit type: Vehicle Specific
  • center electrode core material : copper core
NGK 7401 Spark Plug: image
100%
customers recommend this product
5/ 5
10

Champion Double Platinum Power 7018 Spark Plug (Carton of 1)

1 ratings | 7 offers | 1 Reviews
Price: $6.79$10.55
Why we chose it
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Fine-wire center electrode for greater ignitability
  • An exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
  • Champion double platinum spark plugs utilize an exclusive heat-active alloy The dual platinum fine-wire center electrode and platinum pad electrodes provide sharper spark focus and maximize plug life
  • V-trimmed ground electrode promotes sharper spark focus
  • Double platinum conductors place platinum on both the center and ground electrodes to ensure longer plug life and minimize wear on both electrode surfaces
  • The fine-wire and V-trimmed electrode creates a sharper spark focus than a conventional spark plug
  • Maintains stable operating temperature under all engine loads
  • Platinum center and ground electrode for greater wear resistance
Champion Double Platinum Power 7018 Spark Plug (Carton of 1): image
100%
customers recommend this product
5/ 5
Top Pick
ACDelco GM Original Equipment R45TS Conventional Spark Plug
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacement ideal for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
Ranking the Brands
Denso: 20.00%
Champion: 40.00%
ACDelco: 10.00%
NGK: 30.00%

Comparison Table

Сomparison: Denso (5026) T16PR-U11 Traditional Spark Plug, Pack of 1: imageСomparison: Champion Copper Plus 18 Spark Plug (Carton of 1): imageСomparison: ACDelco GM Original Equipment R45TS Conventional Spark Plug: imageСomparison: NGK 6630 V-Power Spark Plug - UR4, 4 Pack: imageСomparison: Champion Platinum Power 3018 Spark Plug (Carton of 1): imageСomparison: NGK 2869 Spark Plug: imageСomparison: Denso (4509) PTF16TT Platinum TT Spark Plug, (Pack of 1): imageСomparison: Champion Premium Gold Spark Plug 2025 - Pack of 4: imageСomparison: NGK 7401 Spark Plug: imageСomparison: Champion Double Platinum Power 7018 Spark Plug (Carton of 1): image
Denso (5026) T16PR-U11 Traditional Spark Plug, Pack of 1Champion Copper Plus 18 Spark Plug (Carton of 1)ACDelco GM Original Equipment R45TS Conventional Spark PlugNGK 6630 V-Power Spark Plug – UR4, 4 PackChampion Platinum Power 3018 Spark Plug (Carton of 1)NGK 2869 Spark PlugDenso (4509) PTF16TT Platinum TT Spark Plug, (Pack of 1)Champion Premium Gold Spark Plug 2025 – Pack of 4NGK 7401 Spark PlugChampion Double Platinum Power 7018 Spark Plug (Carton of 1)
ManufacturerDENSOChampion Spark PlugACDelcoNGKChampion Spark PlugNGKDensoChampion Spark PlugsNGKChampion Spark Plug
BrandDensoChampionACDelcoNGKChampionNGKDensoChampionNGKChampion
Item Weight1.44 ounces1.44 ounces1.6 ounces0.798 ounces1.44 ounces0.8 ounces1.44 ounces1.23 ounces2.08 ounces
Country of OriginChinaUSAMexicoUSAChinaUSA
Is Discontinued By ManufacturerNoNoYesNoNoNoNoNoNo
Core MaterialPlatinumCopperCopperPlatinumIridium
Top Material TypeMetalNickelMetal, NickelMetalNickel
Product Dimensions3.7 x 0.8 x 0.6 inches4.4 x 3.8 x 1.7 inches8.4 x 2.4 x 2.1 inches4 x 3.9 x 1 inches3.7 x 1 x 0.9 inches9 x 3 x 3 inches3.8 x 0.9 x 1 inches
ExteriorPaintedMachinedMachinedMachined

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