ACCEL 0416S-4 HP Copper Spark Plug - Shorty For Sale - New and Used

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ACCEL HP Copper Spark Plug - Shorty 0416S-4

14mm Thread, .750 in Reach - Gasket (flat) Seat - 4-Pack. 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.. ****Not Compatible with 90 Degree Ceramic Plug Wire Boots****

• 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

General Policies

Warranty & Return Policy

• Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase. Many items may have longer warranties please see Item Specifics above or contact us for information.
• Holley Performance Products Limited Warranty specifically does not apply to items or products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water,corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products. Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
• Warranties do not apply to items sold as Used. We want to make sure that every customer is completely satisfied with their purchase. Although obsolete, scratch & dent and used items do not have a warranty, we understand that things happen and every situation is different. Please let us know of any issues you may have before leaving response so we have an opportunity to make things right. We will do everything possible to make sure you are fully satisfied with your purchase and we want to earn your continued business!
• Buyer pays return shipping

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• Please see the “Shipping and Payment” tab
• We ship all US orders via United Parcel Service (UPS Ground)
• A signature is required on all UPS orders over $750
• Tracking information will be sent via email after your package ships (you must supply a valid email address during checkout)
• We ship within 1 business day upon receipt of payment
• We do not ship to APO/FPO or US Post Office Box addresses
• We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

Customer Service & response

• Our customer service hours are 8:00 am – 5:00 pm Central Time Monday thru Friday (excluding holidays)
• If you are not certain about an item or have questions, use the “Ask Seller a Question” link under the listing. We strive to answer questions submitted thru ’s message system within 1 business day
• We want you to be completely satisfied with your purchase – please let us know if you have any problems with your purchasebefore leaving responseso we have a chance to make it right – we want your repeat business!

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