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The ACCEL 8198 Performance U-Groove Header Spark Plug pack of 8 features a compact shorty design ideal for tight engine spaces, delivering a hotter, fuller spark that boosts high RPM power and throttle response. Copper-core construction with machine-rolled 14mm threads ensures durability and easy installation, while reducing fouling and misfires for improved fuel economy.








| ASIN | B000BW8NYC |
| Brand | Accel |
| Brand Name | Accel |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Copper |
| Customer Reviews | 4.6 out of 5 stars 223 Reviews |
| Global Trade Identification Number | 00042511181984 |
| Item Weight | 249 g |
| Manufacturer | Accel |
| Manufacturer Part Number | 8198 |
| Model | 8198 |
| OEM Equivalent Part Number | 8198 |
| Thread Size | 14mm |
| Top Material Type | Alloy Steel |
| UPC | 042511181984 |
| Unit Count | 8.0 Count |
| Vehicle Service Type | Motorcycle |
S**N
Good quality!
These worked great in my 5.7 350 chevy definitely helped with the headers that were put on!
T**T
Great
Clears the headers and runs better than ever
W**.
Works great!
Solved my clearance issue. Cleared my headers. work great !
D**G
Fit Great, a lot smaller than factory
Installed in a 1981 Camaro with long tube headers, they fit a lot better than the acdelco plugs I removed, the plug boots are no longer touching the headers Would buy again, only complaint is they are a little pricey
C**R
Fits as it should works for headers
spark plugs are great for headers, the quality parts
Trustpilot
2 months ago
3 weeks ago