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⚡ Ignite your ride with power and precision!
The ACCEL 8198 Performance U-Groove Spark Plug pack of 8 is designed for high-performance vehicles needing compact spark plugs that fit tight spaces without sacrificing power. Featuring copper cores for superior heat transfer, machine-rolled 14mm threads for durability, and a shorty design to prevent header damage, these plugs deliver instant throttle response, improved fuel economy, and reduced misfires—making them a top choice for enthusiasts seeking reliable, efficient upgrades.
| ASIN | B000BW8NYC |
| Best Sellers Rank | #35,149 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Performance Spark Plugs |
| Brand Name | ACCEL |
| Compatible with Vehicle Type | Vehicle |
| Core Material | Copper |
| Customer Reviews | 4.6 4.6 out of 5 stars (221) |
| Global Trade Identification Number | 00042511181984 |
| Item Weight | 0.55 Pounds |
| Manufacturer | Accel |
| Manufacturer Part Number | 8198 |
| Thread Size | 14mm |
| Top Material Type | Alloy Steel |
| UPC | 042511181984 |
| Unit Count | 8.0 Count |
S**N
Good quality!
These worked great in my 5.7 350 chevy definitely helped with the headers that were put on!
W**.
Works great!
Solved my clearance issue. Cleared my headers. work great !
C**R
Fits as it should works for headers
spark plugs are great for headers, the quality parts
J**S
Good for headers
Great to use when you have headers on an engine! I was impressed
U**T
Perfect job
Thanks ...graet price good quality
R**Y
There accel
I have used this brand for some hi performance engines. These was in a vehicle I don't have anymore but work great til sold vehicle
B**N
Grat fit for V8 swap 96 s10
Had issues with standard plugs on my 96 s10 v8 swap . These fit grate. Gives just enough clearance on the header to get the socket on.
D**R
Only option with headers
Just what the doc ordered with headers.
T**T
Clears the headers and runs better than ever
D**G
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