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Description
HP Copper Spark Plug - Shorty - 0416S-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 |
|---|---|---|---|---|
| 1972 | Plymouth | Fury | Sport Suburban | 440/7.2 V8 |
| 1972 | Plymouth | Fury | Suburban | 440/7.2 V8 |
| 1973 | Plymouth | Fury | 440/7.2 V8 | |
| 1972 - 1973 | Plymouth | Fury I | Base | 440/7.2 V8 |
| 1973 | Plymouth | Gran Fury | Base | 440/7.2 V8 |
| 1969 | Plymouth | GTX | 440/7.2 V8 | |
| 1970 - 1971 | Plymouth | Road Runner | 440/7.2 V8 | |
| 1970 - 1971 | Dodge | Charger | 500 | 440/7.2 V8 |
| 1971 | Dodge | Charger | Super Bee | 440/7.2 V8 |
| 1972 | Dodge | Charger | 440/7.2 V8 | |
| 1970 | Dodge | Coronet | Base | 440/7.2 V8 |
| 1970 | Dodge | Coronet | Deluxe | 440/7.2 V8 |
| 1970 | Dodge | Coronet | R/T | 440/7.2 V8 |
| 1970 | Dodge | Coronet | 500 | 440/7.2 V8 |
| 1970 | Dodge | Coronet | 440 | 440/7.2 V8 |
| 1970 | Dodge | Coronet | Super Bee | 440/7.2 V8 |
| 1970 | Dodge | Monaco | 440/7.2 V8 | |
| 1970 - 1973 | Dodge | Polara | 440/7.2 V8 | |
| 1972 | Plymouth | Fury | Custom Suburban | 440/7.2 V8 |
| 1970 | Dodge | Challenger | Base | 440/7.2 V8 |
| 1970 | Dodge | Challenger | R/T | 440/7.2 V8 |
| 1970 - 1971 | Dodge | Charger | Base | 440/7.2 V8 |
| 1970 - 1971 | Dodge | Charger | R/T | 440/7.2 V8 |
| 1971 | Dodge | Charger | Special Edition | 440/7.2 V8 |
| 1965 - 1966 | Buick | Skylark | 401/6.6 V8 | |
| 1974 | Plymouth | Fury I | Base | 400/6.6 V8 |
| 1974 | Dodge | Charger | 400/6.6 V8 | |
| 1974 | Dodge | Coronet | Base | 400/6.6 V8 |
| 1974 | Dodge | Coronet | Custom | 400/6.6 V8 |
| 1974 | Dodge | Coronet | Crestwood | 400/6.6 V8 |
| 1968 - 1969 | Oldsmobile | Cutlass | 350/5.7 V8 | |
| 1972 - 1973 | Oldsmobile | Cutlass Supreme | 350/5.7 V8 | |
| 1969 | Oldsmobile | Delta 88 | Base | 350/5.7 V8 |
| 1969 | Oldsmobile | Delta 88 | Custom | 350/5.7 V8 |
| 1970 - 1973 | Oldsmobile | Delta 88 | 350/5.7 V8 | |
| 1969 | Oldsmobile | F85 | 350/5.7 V8 | |
| 1969 | Oldsmobile | Vista Cruiser | 350/5.7 V8 | |
| 1987 | Chevrolet | Camaro | Iroc-Z | 350/5.7 V8 |
| 1986 - 1987 | Chevrolet | Corvette | 350/5.7 V8 | |
| 1970 | GMC | Jimmy | 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 |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham | 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 | |
| 1968 - 1969 | Chrysler | 300 | ||
| 1965 - 1966 | Buick | Gran Sport | ||
| 1968 - 1969 | Chrysler | New Yorker |
Specs:
| Brand | ACCEL |
|---|---|
| Emission Code | 2 |
| GAP | .035" |
| Heat Range | 6 |
| Hex Size | 5/8" |
| Length | Shorty |
| Product Type | Spark Plug |
| Projected Tip | Yes |
| Qty | 4 |
| Reach | .750" |
| Resistor | Yes |
| Seat Type | Gasket (Flat) |
| Style | Copper Core |
| Thread Size | 14mm |
| Weight | 4.75 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Best lights you can get for the best pricing!
Color: 5in Round LED Pod, Color: 5in Round LED Pod
I have had man different off road lights over the years for many different vehicles. Let me tell you about these 5” aux beams. I ordered these lights to go on my 2500 as ditch lights and I am beyond impressed! The lights showed up well packaged. When opening the box, the instructions where right on top and by far one if the easiest sets of instructions I’ve had for wiring diagrams. The lights were packaged and wrapped in foam all the way around to protect them from shipping. The wrapping of the lenses for scratch prevention was perfect. The included wiring harness was packed in a bag and laid out very easily for installation. The harness hooked to the battery and then to the lights with easy quick connects and had more than enough length to put the lights anywhere. Once they were mounted and installed I hooked them up to my aux beams switch panel with ease.
Now for the lights! The brightness is beyond bright enough to see miles away! These lights will shine anything you could ever want to see. The spot flood combo work exceptionally well for all situations and darkness. The side shooter stretch them beam out to the sites and can see all the way across. The running lights tie in very easy with your turn signals for extra turn lights or running lights. Heavy duty is an understatement for the quality of these lights. I’m still running them after several months with no water intrusion and still as bright as the day I installed them. The price for what you get, is far beyond better than other top brands! I will be buying more of these for my next off roading set up!
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Reviewed in the United States on September 23, 2025
★★★★★ 5
Too big for a tiger, but works well on the fiddy
Color: 4*2.5in Cube LED Pod
Not as bright as the graph says they are, or maybe I'm not in a dark enough area at night. But they definitely are blinding. Were too big for my adv bike unfortunately, but they work good on my truck as ditch lights. Not too bulky looking like the cubes are and no wind noise that I can hear. Definitely lights up the wma trails and the side shooters are very helpful. I will note though that as soon as your hood gets dusty it becomes blinding from the inside side shooters though. so I painted the yellow lens cover on the inside sides and it helps a lot with the hood glare.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Bright
Color: 7*5in Cube LED Pod
Very bright, good quality
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Easy to install
Color: 4*2.5in Cube LED Pod
Definitely more than I expected. .. dang good product and easy to install
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Reviewed in the United States on April 11, 2026
★★★★★ 4
Easy Install Onto Jeep JKU, No Switch Backlight or Mounting Holes, Great Customer Service
Color: 5in Cube LED Pod, Color: 5in Cube LED Pod
I installed the Auxbeam 5" 168W LED Cube Pods onto my Jeep JKU Anniversary Steel Bumper. It was an easy install with some YouTube videos to help me snake the cables into the cab.
The unused holes in the steel bumper were the perfect size to fit the mounting bolts on the pod lights, and there was plenty of room to reach under the top edge of the bumper to install the nuts with some Loctite.
To snake the provided cable through the firewall, I had to remove the installed socket. This was easy to do by simply recessing the retainer clip on each pin, taking a picture of the wired connector before releasing the wires so I knew how to reassemble, snaking the connectorless cable through the firewall into the cab where the pins were then reinserted and locked into the connector. I dressed the cable by zip tie to the existing wire harness at the top of the engine bay. In the cab, I pulled the side panel from the dash (driver's side) and made a small hole for the cable in the panel. After cleaning the dash with alcohol, the adhesive-backed switch seems to hold nicely in place.
The lights were very bright and did a great job of illuminating the front and sides of the trail ahead of me.
No backlight on the switch, which is a necessity, and I dont understand why that feature is not present.
Also, there is no through hole to mount as the adhesive back won't stay attached, so the lack of a mounting hole is a big negative as well.
5 Month UPDATE: One of the lights got water inside. I noticed two screws that hold the glass cover were loose on the bottom of both sides. The other light also had the same loose screws but no water under the glass. I contacted Auxbeam, and they replaced the entire set in 2 days. Very awesome customer service.
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Reviewed in the United States on December 25, 2023