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Your cart is empty.Acela HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. Acela HP Spark Plugs are allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All Acela HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.
Customer
Reviewed in the United States on July 25, 2024
Good
Customer
Reviewed in the United States on July 25, 2024
Good
Michael chance
Reviewed in the United States on March 5, 2024
Good value
Michael chance
Reviewed in the United States on March 5, 2024
Good value
Sandy McKeehan
Reviewed in the United States on April 18, 2024
Very happy with these spark plugs. Will buy these again. Highly recommend these.
Sandy McKeehan
Reviewed in the United States on April 18, 2024
Very happy with these spark plugs. Will buy these again. Highly recommend these.
John
Reviewed in the United States on March 15, 2023
Worked perfect on my 32 Ford with a 350 sbc and headers. Also I use the accel 9000 ceramic boot plugs to help with the headers heat.
John
Reviewed in the United States on March 15, 2023
Worked perfect on my 32 Ford with a 350 sbc and headers. Also I use the accel 9000 ceramic boot plugs to help with the headers heat.
Tracie/Bo
Reviewed in the United States on December 28, 2023
They did what they're supposed to do
Tracie/Bo
Reviewed in the United States on December 28, 2023
They did what they're supposed to do
shirley durham
Reviewed in the United States on December 15, 2023
Hot plugs.
shirley durham
Reviewed in the United States on December 15, 2023
Hot plugs.
Kevin R.
Reviewed in the United States on January 20, 2022
Good for tight clearance with header exhaust and aftermarket aluminum heads. Shipped slow.
Kevin R.
Reviewed in the United States on January 20, 2022
Good for tight clearance with header exhaust and aftermarket aluminum heads. Shipped slow.
SICZ
Reviewed in the United States on July 9, 2020
Only have 20 thousand miles on plugs there seem to be great plugs so far
SICZ
Reviewed in the United States on July 9, 2020
Only have 20 thousand miles on plugs there seem to be great plugs so far
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