SKU: 88192880809

HP Copper Spark Plug - Shorty - 0414S-4

Sale price$40.09 Regular price$44.54
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Description

HP Copper Spark Plug - Shorty - 0414S-4Overview: ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3 16 in to 3 8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain

Overview:

ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where there is not a lot of room to fit a socket or move a wrench around. ACCEL Shorty 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. ACCEL Shorty Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL Shorty Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Features:

  • Shorty Spark Plugs For Tubular Exhaust Headers
  • Eliminates Dimpling Headers For Added Clearance
  • Improves Spark Plug Access To Fit Socket Or Wrench
  • Shorter Overall Plug Length Vs. OE Style Plug
  • Copper Core Center Electrode
  • Projected Tip
  • Helps Eliminate Burned Spark Plug Boots
  • Shorty Header Spark Plug

Application:

Year Make Model Submodel Engine Size
1987 Chevrolet Camaro Iroc-Z 350/5.7 V8
1986 - 1987 Chevrolet Corvette 350/5.7 V8
1988 Oldsmobile Cutlass Supreme Classic Brougham 307/5 V8
1986 - 1987 Buick Regal Limited 307/5 V8
1986 - 1987 Buick Regal Base 307/5 V8
1986 - 1990 Chevrolet Caprice 307/5 V8
1985 - 1987 Oldsmobile Cutlass Salon 307/5 V8
1985 - 1987 Oldsmobile Cutlass Supreme 307/5 V8
1988 Oldsmobile Cutlass Supreme Classic 307/5 V8
1986 - 1987 Buick Regal Limited 305/5 V8
1986 - 1987 Buick Regal Base 305/5 V8
1986 - 1990 Chevrolet Caprice 305/5 V8
1985 - 1987 Oldsmobile Cutlass Supreme 305/5 V8

Specs:

Brand ACCEL
Emission Code 2
GAP .035"
Heat Range 4
Hex Size 5/8"
Length Shorty
Material Copper
Product Type Spark Plug
Projected Tip Yes
Qty 4
Reach .750"
Resistor Yes
Seat Type Gasket (Flat)
Style Copper Core
Thread Size 14mm
Weight 4.2
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88192880809

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C.L.
Dallas, US
★★★★★ 3
Runs small
Size: X-Large, Color: Navy
Runs small and is short. Nice dark navy color. I ordered a size up and it is still small.
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Reviewed in the United States on February 26, 2026
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Dee
Los Angeles, US
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Great tee
Size: X-Large, Color: Medium Grey Heather
It’s a nice cotton material…not thin, just perfect. After washing, it also kept its shape.
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Reviewed in the United States on February 18, 2026
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Dan
Boise, US
★★★★★ 5
Wonderful t-shirts
Size: X-Large, Color: Medium Grey Heather
These t-shirts are well made and have a nice thick feel to them. The sizing is spot on.
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Reviewed in the United States on April 17, 2026
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Purple 7
Cuba, US
★★★★★ 5
Unpaid and honest review
Size: Small, Color: Navy
Nice fit ,lightweight ,good quality and very very affordable ,comfy.Recommended
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Reviewed in the United States on June 10, 2026
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Dave F
Louisville, US
★★★★★ 4
Runs small
Size: XX-Large, Color: Navy
Definitely go a size up. These run a whole size smaller than designated. Material is also heavier than a regular t-shirt. Quality seems okay
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Reviewed in the United States on May 17, 2026

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