ACCEL 0414S-4 Spark Plug
ACCEL 0414S-4 Spark Plug
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ACCEL 0414S-4 Spark Plug

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Key item features

  • Compact Design: Shorter overall plug length (reduced 3/16 to 3/8 inch) compared to OE style plugs, specifically designed for tubular exhaust headers.
  • Enhanced Clearance: Eliminates the need for dimpling headers and improves spark plug access for easier installation and removal with a socket or wrench.
  • Optimal Conductivity: Features a copper core center electrode, which is a superior conductor to platinum and iridium, delivering a stronger spark, especially in high-performance applications.
  • Heat Dissipation: Copper core material effectively dissipates heat, reducing the likelihood of misfires and helping to prevent burned spark plug boots.
  • Adjustable Gap: Gapable design allows for opening the gap for a larger flame kernel or closing it for high boost applications.
  • Precise Threading: Machine-rolled 14mm threads with a .750 inch reach ensure precise thread engagement and improved torque retention.
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Current price is $38.55
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3.8 out of 5 stars
stars4 ratings2 reviews
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Showing 1-2 of 2 reviews

Apr 23, 2020
Alston
5 out of 5 stars review

Excellent Shorty Plugs

Used these with my long tube headers and AFR heads for more clearance. Work great, no issue with spark all the way up to 5500 RPM.

Review from jegs.com
Helpful?1E7B0YGZPX9S54945773
Nov 12, 2015
Scotchblue
1 out of 5 stars review

Waste of money, only 1/8" shorter than std plugs.

Bought them for a straight plug 383 with super comp headers. Total waste of money; fell for the video that promotes them. Less than 1/8" shorter than my Autolite plugs.

Review from jegs.com
Helpful?1E7B0YGZPX9S54945773