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Your cart is empty.ACCEL's "Shorty" spark plugs keep your spark plug boots from being burned and your headers from being dented if you don't have enough room between your plug boots and your exhaust manifold or headers. Designed for trouble-free installation and removal in cramped spaces, these high-performance plugs are much easier than OE plugs to get a socket on but still deliver a larger, hotter, fuller flash front and significantly more power at high rpm. You'll have instant throttle response and better fuel economy with less fouling, flame dissipation, and misfire. These copper-core plugs provide increased thermal conductivity, come with machine-rolled 14mm threads to protect your heads, use a standard 5/8 socket, and come in a pack of four.
Raymond
Reviewed in the United States on July 8, 2024
If you need header plugs these will work
online s.
Reviewed in the United States on May 21, 2024
used glass insulators but still melted my 90 degree boots running pairs in-between the header spaces. i swapped to these shorties and straight boots and were back in business. only wish they had them in 5/8 ill have to look next time around
RetroSteel
Reviewed in Canada on March 24, 2024
SBC with headers in a Camaro
Curtis C.
Reviewed in the United States on September 21, 2023
Misleading descriptionSpark plugs require a 13/16 socket not the 5/8 stated in the description this is fine for most applications but with mine having Fuley heads and tight header clearance Standard sockets and wrenches will not clear to tighten I will require a specialty spark plug socket
william t dawson
Reviewed in the United States on June 28, 2021
had a problem burning wires this put the wires farther from headers so worked great
Sarah
Reviewed in the United States on May 23, 2021
These were perfect for the headers on my 440. They clean off well.
Customer
Reviewed in Canada on January 16, 2021
super thanks
Rayzor267
Reviewed in the United States on April 10, 2021
never knew of such a thing... but my headers are very ..... very close to cylinder #5 on the sbc .... i put the shorty's on and got alot of clearance... than beating the hell outta the headers to make the spark plug boot not melt...
grumpy john
Reviewed in the United States on August 13, 2020
good for tight spaces , headers , ect
Brisco407
Reviewed in the United States on January 29, 2014
I couldn't find any part to fit the specification of my set-up but these work great, this is a great part
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