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Product Summary

Tapered Spark Plug Seat Style, 0.46" Spark Plug Reach

  • Overall length has been reduced 1/4" to 3/8"
  • Has an increased air gap space between the spark plug boot and the exhaust header tube
  • Engineered to help eliminate burning the spark plug boot or dimpling the header tube
  • Helps improve throttle response and provide better fuel efficiency
  • Designed to develop a larger spark nucleus which improves combustion and reduced fouling
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Key Specs

MFG. Part #0276S-4
BrandAccel
Thread Pitch14mm
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Need To Know

Quick and Easy Returns

Return Policy

Accel 0276S-4 Details

Accels race proven U-Groove "Shorty" spark plugs are the cure for your "burnt plug boot" blues. The overall length has been reduced 1/4" to 3/8" to gain critical air gap space between the spark plug boot and the exhaust 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 and remove the spark plugs in certain applications where there is not a lot of room to fit a socket or move a wrench around.

These retain Accels patented U-groove design and are so well designed, one plug will cover several heat ranges.

Accels U-Groove design benefits:

  • More power to the wheelsImproved ignitability
  • Improved throttle response and better fuel efficiency
  • Develops larger spark nucleus for improved combustion and reduced fouling

105-276S

  • AC = 45TS, 46TS
  • Autolite = 16
  • Champion = BL13Y, Y12YC

Item Details

  • 5/8" Hex
  • .460" Reach
  • Tapered Seat
  • Sold 4/pack

Application

Accel 0276S-4 Specifications

KEY SPECS
MFG. Part #0276S-4
BrandAccel
Thread Pitch14mm
GENERAL
Spark Plug Seat StyleTapered
Spark Plug Reach0.46"
ResistorNo
Insulator TypeProjected
Spark Plug Heat Range6
Core MaterialCopper
Tip MaterialCopper
Overall Length2.65"
Wrench Size5/8"
Sold in QuantitySet
NotesSold 4 Pack
GTIN Code743047113028

Ratings & Reviews

5

4 Reviews

Overall Assessment

Customers appreciate these plugs for their efficiency and practical design that allows for easy installation and clear header clearance, signaling good usability. They evidently enhance performance, as indicated by increased throttle response, a significant feature. The product’s quality and effective functionality are confirmed by users who intend to repeat their purchase, implying a high level of satisfaction and trust, highlighting the product’s superiority over competitors.

5

4 reviews

5

4

4

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3

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Good plug.will buy again.

5.0

3 years ago

Dave

Lexington indiana

Verified

Needed these plug because of header clearance.work great.

Would Recommend

shorty plugs

5.0

4 years ago

jeff

erie,co

Verified

easy to install, clears my headers for enough room to get to them easy

Would Recommend

I would buy again

5.0

8 years ago

Bill

Dallas pa by,

Verified

Great plugs

Would Recommend

Great product.

5.0

11 years ago

Bobo33

Undisclosed

Verified

The plugs really did seam to increase throttle response. Will use these plugs for now on.

Would Recommend

Showing 4 of 4 reviews

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