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20 Best Spark Plugs For Sbc 350 With Headers (2022 Updated)

Spark plugs are used in conjunction with headers to help improve the efficiency of the engine by providing a more complete burn of the fuel mixture.

20 Best Spark Plugs For Sbc 350 With Headers

1. Accel U-Groove Spark Plug Header Plug – 8 pack

Accel U-Groove Spark Plug Header Plug - 8 pack

  • Produces greater firing energy effectively
  • Greater fuel efficiency and reduced emissions
  • Shorty configuration for

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Vehicle 1982 Pontiac Trans Am 8 Cylinders 7 5.0L TBI OHV
Vehicle 1993 Chevrolet Caprice 8 Cylinders E 5.0L TBI OHV
Vehicle 1979 Chevrolet Monza 8 Cylinders G 5.0L 2BL OHV
Vehicle 1976 GMC Sprint 8 Cylinders L 5.7L 4BL OHV
Vehicle 1976 GMC Sprint 8 Cylinders Q 5.0L 2BL OHV
Vehicle 1976 GMC Sprint 8 Cylinders V 5.7L 2BL OHV

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VICTOR
LOUIS

2. Accel 8198 Spark Plug

Accel 8198 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high RPM
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of eight

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Specifications

Details
Assembly Method Tapered
Color White
Gap Size 0.035 in.
Hex Size 0.625 in.
Package Quantity 8

3. Accel 0574S-4 Spark Plug

Accel 0574S-4 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high rpm
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four

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Specifications

Details
Assembly Method Tapered
Gap Size 0.035 in.
Hex Size 0.625 in.
Package Quantity 4
Projected Tip Yes

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Andy G.
RANDY

4. Accel 0276S-4 Spark Plug

Accel 0276S-4 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high rpm
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four

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Details
Assembly Method Tapered
Color White
Gap Size 0.032 in.
Hex Size 0.625 in.
Package Quantity 4

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RichVT.

5. Accel 0416S-4 Spark Plug

Accel 0416S-4 Spark Plug

  • U-Groove Ground Electrode
  • Five-Rib Aluminum Insulator
  • Copper Core Nickel/Chrome Steel
  • Electric Heat Seal
  • Copper-Glass Gas-Tight Seal

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Summit Racing

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Details
Assembly Method Gasket (Flat)
Gap Size 0.035 in.
Hex Size 0.625 in.
Package Quantity 4
Projected Tip Yes

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NIKOLAS

6. Accel P526S Spark Plug

Accel P526S Spark Plug

  • Delivers significantly more power at high rpm thanks to a ground electrode that unshrouds the center electrode
  • Creates a considerably hotter spark and lets the flame expand more rapidly in the chamber
  • Huge increase in power less misfire and minimized flame dissipation
  • Instant throttle response and noticeably better fuel economy
  • Machine rolled 14mm threads protect your valuable cylinder heads

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Details
Length 5 in
Height 2.1 in
Width 3.6 in
Weight 1.2 lb

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Kaemon

7. Accel 0414S-4 Spark Plug

Accel 0414S-4 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high RPM
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four

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Details
Assembly Method Gasket (Flat)
Gap Size 0.035 in.
Hex Size 0.625 in.
Package Quantity 4
Projected Tip Yes

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DON

8. Champion 401 RS12YC Spark Plug

Champion 401 RS12YC Spark Plug

  • Copper Core Center Electrode: Allows for accurate control of heat range for longer life
  • Maximum Corrosion Resistance: Thanks to a Patented Ultraseal coated shell
  • Dependable and Durable: Built to ISO and SAE standards for proven performance
  • Maximum EMI & RFI Suppression: Patented SAC-9 semi-conductor resistor for ultimate suppression
  • Compatible with the Following Applications: Automotive, Commercial, Small Engine, Marine

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NAPA Auto Parts

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Specifications

Details
Item has MSDS (SDS)? N
Packaging Depth 0.99 IN
Packaging Height 3.75 IN
Packaging Width 0.925 IN
Package Weight 0.106

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arking
Yakaboochi

9. Accel 0576S-4 Spark Plug

Accel 0576S-4 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high rpm
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four

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Details
Assembly Method Tapered
Color White
Gap Size 0.032 in.
Hex Size 0.625 in.
Package Quantity 4

10. Accel 0437S-4 Spark Plug

Accel 0437S-4 Spark Plug

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high RPM
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four

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Specifications

Details
Assembly Method Gasket (Flat)
Gap Size 0.035 in.
Hex Size 0.1875 in.
Package Quantity 4
Projected Tip Yes

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DEAN
RUBEN
Diego

11. Accel 578C2 Spark Plug-Copper

Accel 578C2 Spark Plug-Copper

  • Size: 026 in

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Length 1 in
Height 3.7 in
Width 1 in
Weight 0.1 lb

12. Autolite AP103 Platinum Spark Plug

Autolite AP103 Platinum Spark Plug

  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy
  • Full platinum tip assures virtually no gap erosion

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Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

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Fossof
Double G

13. Accel 2418 Spark Plug

Accel 2418 Spark Plug

  • Patented U shaped ground electrode produces a wider, hotter spark
  • Heavy duty 5 rib insulators prevent flashover
  • High quality copper/nickel alloy electrode
  • Highly foul resistant and dissipates heat better than any other material
  • Improves engine efficiency and reduces emissions

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RevZilla.com

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Specifications

Details
Length 4.6 in
Height 1.1 in
Width 2.1 in
Weight 0.2 lb

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Nitin

14. MSD – 3719 – Iridium Spark Plug

MSD - 3719 - Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
  • Machined electrode increases exposure to the flame to improve combustion
  • MSD‚Äôs proprietary ceramic formula provides the highest dielectric strength
  • Yttrium ground electrode reduces the chance of pre-ignition

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Specifications

Details
California Proposition 65 Yes
Country of Origin (Primary) CZ
Heat Range 5
Hex Size 0.625 in
Length Standard

15. Champion 841 J8C Spark Plug

Champion 841 J8C Spark Plug

  • Resists fouling
  • Superior corrosion resistance
  • Increased conductivity and heat control for good overall wear

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Allard Pass. Car 5.4L V8 (54-50)
Citroen Pass. Car 1.9L L4 (49-46), 2.9L L6 (49-48)
Frazer Pass. Car 3.7L L6 (51-46)
Kaiser Pass. Car 2.6L L6 (54-54), 3.7L L6 (55-46)
Vauxhall Pass. Car 1.5L L4

16. Champion 9409 Iridium Spark Plug

Champion 9409 Iridium Spark Plug

  • Champion Iridium – Maximum Performance.
  • Iridium center electrode delivers maximum life.
  • Fine-wire center electrode and V-trimmed for greater ignitability.
  • V-trimmed ground electrode promotes sharper spark focus.
  • Maintains stable operating temperature under all engine loads.

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Audi Pass. Car 3.2L V6 (09-04)
Hyundai Pass. Car 1.8L L4 (15-13), 2.0L L4 (15-14), 3.3L V6 (15-12)
Kia Pass. Car 1.6L L4 (11-10), 2.0L L4 (14-12)
Ground Electrode Tip Design J Gap
Ground Electrode Core Material Platinum

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PricklyPunter

17. Champion 9034 Spark Plug

Champion 9034 Spark Plug

  • Turn your key with confidence when you use a Champion Spark Plug
  • Maintains a stable operating temp under all engine loads
  • Choose from Champion Iridium Spark Plugs, Double Platinum Power, Platinum Power and Copper Plus

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Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.750 in.
Spark Plug Reach (mm) 19.05mm
Manufacturer Heat Range 12

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Enthusiast
Me. Salinas
Don haskell

18. Autolite 3923 – Spark Plug

Autolite 3923 - Spark Plug

  • Resistor reduces radio frequency interference and electrode erosion
  • Dependable performance for import and domestic vehicles
  • Copper-glass seal bonds insulator and terminal post center electrode together assure full required voltage at spark gap
  • Multi-rib insulator reduces danger of flash over

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Dennis Kirk

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Specifications

Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

19. Autolite 3924 Copper Spark Plug

Autolite 3924 Copper Spark Plug

  • Copper-glass seal bonds insulator and terminal post center electrode together assure full required voltage at spark gap
  • Multi-rib insulator reduces danger of flash over
  • Dependable performance for import and domestic vehicles
  • Resistor reduces radio frequency interference and electrode erosion

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Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

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Clarence

20. Accel 8196 Spark Plug

Accel 8196 Spark Plug

  • Platinum and Iridium Plugs Are Less Electrically Conductive Than Copper Plugs Heat Dissipation
  • Copper Dissipates Heat Much Better Than Platinum & Iridium Especially In High Performance Engines “C”- Cut Design
  • Ground Electrode is Cut Back Unshrouding the Spark Kernel Gapable
  • Open Up the Gap For a Larger Spark Kernel or Close It Up If Needed For Boosted Applications Machine Rolled Threads
  • For a More Precise Thread Engagement and Torque Retention Performance

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Specifications

Details
Length 1.2 in
Height 9.1 in
Width 3.7 in
Weight 0.8 lb

Conclusion

Spark plugs are an important part of any engine, and the right spark plugs can make a big difference in performance. The right spark plugs for an sbc 350 with headers can help the engine to run more efficiently and make more power.

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