Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

It's the Season for Savings - Shop Holiday Deals Now!

50 Results Found For "additives"

Part Groups

Results 1 - 24 of 50

Summit Bucks

Champion Copper Plus Spark Plugs

Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. They feature nickel alloy centers and ground electrodes with efficient wear characteristics. In addition, the spark plugs' extrusion of copper into the center electrode allows for increased conductivity and heat control. Manufacturers have used them in non-automotive applications, such as lawn and garden and other power equipment. Replace your old plugs with Champion Copper Plus spark plugs for maximum reliability.

4.82 out of 5 stars ( 177 )

$1.50

$10.99

Pico Specialty Battery Terminals

Pico offers several battery terminals to fit your special needs. Whether you need a 3-way top post, military-type post, or you're looking for an OEM-style, Pico has them. Features available: * 3-way top post terminal—taps off multiple leads for parallel or multiple batteries * Military-style post terminal—gives additional power connections * Lead-free OEM terminal—tin plated brass for light- and medium-duty applications

4.81 out of 5 stars ( 27 )

$8.99

Autolite Revolution HT Spark Plugs

Autolite Revolution HT spark plugs are designed to provide more space for additional intake valve and unobstructed intake ports. They will enhance power and create more efficient airflow without increasing the engine's size. The Revolutions from Autolite feature a 10mm high-thread design that can maintain the same dielectric, mechanical, and durability characteristics associated with conventional 14mm spark plugs. When doing a tuneup on your engine, use Autolite Revolution HT spark plugs to get the job done .

4.44 out of 5 stars ( 16 )

$9.99

$12.99

Denso Iridium Long Life Spark Plugs

Denso Iridium Long Life spark plugs are factory-installed by a wide range of automakers and are fast becoming the standard for today's high-tech engines. Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions, Denso's patented iridium alloy is six times harder and eight times stronger than conventional platinum. You'll enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, plus better fuel economy! Order the model and options best suited for your application. Additional features and benefits of Denso Iridium Long Life spark plugs include: * 0.7mm iridium tip, dramatically improving ignitability and longevity * Platinum ground electrode for reduced wear and erosion * Endures temperatures in excess of 4,000 degrees F * Sustained performance over 100,000 miles--up to three times longer than conventional plugs * Withstands higher pressures * Tapered cut improves firing performance by reducing quenching * 360 degree laser-welding process secures center electrode

4.5 out of 5 stars ( 6 )

$7.50

$10.99

Denso Iridium TT Spark Plugs

Denso Iridium TT spark plugs, with their unique Twin-Tip technology, have two "tips": a 0.4mm iridium center electrode, and a 0.7mm platinum ground electrode. First used with OE spark plugs for luxury and performance cars, they are the smallest mass-produced center electrodes available. They require lower voltage and feature high-ignitability, so there is less interference with spark growth (quenching) and the twin tips deliver omnidirectional ignition, unlike the flat "sandwich" ignition of other spark plugs. Denso selected iridium and engineered it with rhodium to build the most durable alloy for spark plugs. Their patented formula has the highest concentration of iridium of any spark plug and even under the most severe engine temperatures resists oxidation and voltage wear for extended periods. The superior ignition of Denso Iridium TT spark plugs means more efficiency, fewer misfires, and significantly improved combustion, optimizing power and fuel economy like never before. Order the model designed for your vehicle application. Additional features of Denso Iridium TT spark plugs include: * Revolutionary 0.4mm center electrode means significantly improved combustion and reduced misfires * Invented by Denso, Iridium TT Twin-Tip technology creates a larger flame front for more complete combustion * Precision 360 degree laser-welding technology ensures structural support for the iridium center electrode, even in the harshest combustion environments * Tested to last well beyond 100,000 miles, with minimal loss of performance, for greater lifetime savings than any plugs available today

4.56 out of 5 stars ( 16 )

$5.50

$10.99

Painless Performance 4-Circuit ATO Fuse Centers

Painless Performance 4-circuit ATO fuse centers can be used on most any vehicle where additional circuits are needed. These OEM-style fuse centers are ideal for in-line wiring applications, such as trailer wiring or when adding vehicle accessories. Their compact size makes them easy to mount just about anywhere! Fuse block crimp-on terminals included. Additional product features and details: * Polyethylene liner seals face plate * Water-resistant seal * Key ignition switch for added security * Protected with weather-resistant boots, and are vibration-resistant * Fully insulated terminals * Includes peel-and-stick labels for custom wiring

4.38 out of 5 stars ( 8 )

$8.99

Techflex Clean Cut Sleeving

By adjusting the physical characteristics of the polyethylene terephthalate (PET) filaments, the engineers at Techflex have produced Techflex Clean Cut sleeving. It has the same specifications as their other PET sleeving … with a unique advantage. Clean Cut can be cut with ordinary scissors and still maintain an extraordinarily fray-resistant end without the addition of chemical binders or adhesives. Braided for maximum coverage while still allowing enough expansion for easy installation over plugs and connectors, Flexo Clean Cut is ideal for field installers and other situations where access to a hot knife is impossible. Its fray-resistant properties allow frequent expansion of the cut end without unraveling. When cut with a hot knife, Clean Cut produces a clean, smooth, and virtually fray-free end. Additional features of Techflex Clean Cut sleeving include: * Increased braid density for better coverage * High abrasion resistance * Temperature range of -94 degrees F to 257 degrees F * Melt temperature: 482 degrees F

5.0 out of 5 stars ( 5 )

$8.99

$9.99

QuickCar Power Distribution Blocks

QuickCar power distribution blocks are available in different styles, including single post studs or a post with 8-points to distribute electrical current. Here are details on each: --- P/N 57-807: * Red one-post power junction stud has 3/8 in. stainless steel post measuring 1 in. in height * Glass-filled nylon base insulates the electric current from the mounting surface * Two #10 (3/16 in.) holes are pre-formed into the base to allow for bolts (not included) to secure the junction post to a mounting surface * Capable of handling a max amperage of 250 at 12 V DC --- P/N 57-805 (Red) or 57-806 (Black): * 8-point power distribution post has eight points to distribute electrical current * One large inlet post accepts 5/16 in. ring terminals, and the additional 8 posts accept #8 ring terminals * Each small post is capable of continuously withstanding 15 amps * All posts include locking washers * Distribution post has (2) 1/4 in. holes used for mounting it on a flat surface (mounting bolts not included)

5.0 out of 5 stars ( 5 )

$10.95

Pico Add-A-Circuit Fuse Holders

Pico Add-A-Circuit fuse holders are ingenious devices that allow for the quick and easy installation of additional 12 V accessories without the need for splicing. These electrical fuse taps easily plugs into an existing fuse holder to protect the original circuits and provide a wire lead for a new circuit. Select the Pico add-a-circuit fuse holders for your application needs.

5.0 out of 5 stars ( 15 )

$4.99

$6.99

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs

Autolite Iridium XP enhanced alloy technology spark plugs are one of Autolite's most technologically advanced spark plugs. With an iridium-enhanced 0.6mm fine wire design and proprietary platinum side wire technology, these plugs provide better durability compared to 0.8mm fine wire, multi-electrode design, and standard plugs. Plus, they offer a more focused ignition, for better overall ignitability compared to the average of other premium brands, as well as optimum performance. Additional notes for Autolite Iridium XP spark plugs: * Platinum ground wire for maximum efficiency in all ignition types, including DIS systems * V-trimmed ground electrode for improved ignitability * Heat range precisely set by Ionization Sensing Technology

Not Yet Reviewed

$5.99

$9.99

Pico Toggle Switches

If you're custom-building an electrical switch panel, Pico toggle switches are easy additions. They're available in different styles and designs to fit your automotive switch panel application. Featuring different amp ratings, toggle arm lengths, and terminal ends, Pico is sure to have the models needed for your application. Built with dependability and quality in mind, Pico toggle switches make an excellent choice for your street rod, daily driver, or all-out race vehicle.

4.38 out of 5 stars ( 56 )

$3.99

$10.99

Bussmann Thermal Flashers

Bussmann offers a complete line of flashers for a wide variety of applications. Their thermal flashers use heat buildup to flash a circuit on and off and on, and feature an audible click, alerting you that a directional signal is engaged. They operate under variable loads, flashing designated vehicle lamps, or additional lamps when a trailer is in tow. Bussmann thermal flashers meet SAE standards and other applicable state and federal guidelines.

Not Yet Reviewed

$1.99

$10.99

Bussmann FMM Maxi Cartridge Fuses

Bussmann FMM Maxi cartridge fuses are the smallest female Maxi cartridge fuses on the market. In addition to their small footprint, micro fuses have the ability to withstand temperatures ranging from -40 to 257 degrees F, making them ideal for vehicles in extreme environments. Choose from 20 amp or 30 amp models.

5.0 out of 5 stars ( 1 )

$2.99

$4.99

Dorman Universal Fuse Blocks

Dorman universal fuse blocks are available for a wide range of applications in maintaining your vehicle's electrical system. All of their fuse blocks are constructed from high-quality materials for long-lasting durability. They're designed in multiple styles for use with glass and blade fuses and are ideal for additional circuit protection for accessories and components.

4.5 out of 5 stars ( 8 )

$4.99

$6.99

Pico GM Fuse Block Taps

Add an additional circuit with these GM fuse block taps from Pico Wiring! Simply splice accessory wires onto the 16-gauge connector wire and plug the connector into the cavity. Pico GM fuse block taps are offered in versions for use in the battery or ignition cavities.

4.17 out of 5 stars ( 12 )

$1.99

$3.99

Techflex Flexo PET Sleeving

General purpose Techflex Flexo PET sleeving is designed for use in electronics, automotive, marine, and industrial applications where cost efficiency and durability are critical. The unique braided construction and wide expandability allow quick and easy installation over large connectors and long runs. Techflex Flexo PET sleeving is braided from 10 mil polyethylene terephthalate (PET) monofilament yarns. The material has a wide operating temperature range, is resistant to chemical degradation, UV radiation, and abrasion. It cuts easily and cleanly with a hot knife and once installed, will beautify and protect wires, hoses, or cables. The wide range of available colors and sizes allows easy and systematic color coding in complex wiring schemes. Additional Techflex Flexo PET sleeving features and benefits: * Economical and easy to install * Cut and abrasion resistant * Expands up to 150 percent * Halogen-free * Resists gasoline, engine chemicals, and cleaning solvents * FMVSS 302 approved

5.0 out of 5 stars ( 4 )

$6.99

$10.99

On Sale

Holley RetroBright Adapters

If you don't feel comfortable cutting up your factory wiring or don't want to attempt to swap pins on your headlight plugs, Holley RetroBright adapters make it a plug-and-play affair. If the standard H4 male plug used on Holley RetroBright headlights will not fit your female socket or you need to swap pins around to match up properly, these harnesses will make the job quick and easy. Additional details: * Allows Holley RetroBright headlights to connect to any non-standard H4 sockets or those that require a pin swap * Eliminates the need to cut factory wiring * Can be used to replace old and brittle factory sockets * Includes two Holley RetroBright H4 adapters

Not Yet Reviewed

$6.57

$11.33


$3.61

$6.23

Bob Drake Brake Light Switches

Bob Drake offers replacement brake light switches for a variety of Ford cars and trucks from the 1930s thru the 1960s. A recommended change anytime you service the brake system, Drake's inline brake light switches are easy to install in any hydraulic system. Simply position, plumb, and run the wires. Additional details: * Threaded 1/8 in.-27 NPT * Die-stamped body, gold iridite finish * Open switch that closes when actuated

Not Yet Reviewed

$7.99

Summit Racing™ Fuse Blocks

Add additional circuits the quick and easy way with our Summit Racing™ fuse blocks. They're available in different styles with different options to suit your specific application requirements.

4.81 out of 5 stars ( 107 )

$8.99

$20.99

Denso Platinum TT Spark Plugs

Denso Platinum TT spark plugs originated from Denso's Twin-Tip design for original equipment use in the most technologically advanced automobiles. But now Denso offers this cutting-edge technology in a platinum/titanium design customized for today's value-minded automotive enthusiasts. Denso pioneered the use of platinum in spark plug manufacturing. To maximize longevity and enhance durability, Denso applied platinum to both the center and ground electrodes. Platinum offers superior resistance to erosion and corrosion enabling Denso to create spark plugs capable of consistent performance. Additional features and benefits of Denso Platinum TT spark plugs include: * 360 degree laser weld * 1.1mm platinum center electrode * Titanium-enhanced alloy ground electrode * Minimum-quench electrode design * Free standing firing pad * Improved fuel economy * Faster starts * Enhanced flame propagation for increased engine efficiency * Reduced quenching generates a more powerful spark

5.0 out of 5 stars ( 2 )

$4.99

$6.99

Summit Bucks

Sonnax Wiring Harness Connector Brackets

It's common for one of the three plastic retention tabs to break on the wiring harness case pass-through connector in GM 4L80-E and 4L85-E units. This allows the connector to be pushed into the case when connecting the external harness. Not only does this require extra labor to fix, it also requires a new wiring harness. Sonnax wiring harness connector bracket 34998-01K retains the internal harness connector even though the retention tabs may be broken. Additional notes: * Bracket firmly holds the connector in place from inside the pan using existing hardware * Connector bracket saves expensive wiring harness replacement * Bracket and bolts are included * 4L80-E and 4L85-E units use two different wiring harness connector styles. The early style has exposed terminals and a red rubber gasket. The late style has a gray plastic enclosure surrounding the terminals. The Sonnax bracket 34998-01K works only with the late style connector.

Not Yet Reviewed

$3.33

Standard Motor Fuse Taps

Standard Motor fuse taps allow you to add additional electrical accessories to your vehicle. They have 1/4 in. male tabs for easy and tight connections and are constructed from brass for excellent conductivity.

3.0 out of 5 stars ( 1 )

$3.99

$5.99

Scott Drake Courtesy Light Switches

Scott Drake courtesy light switches are exact reproductions of the original Ford part--great additions to any restored original interior. Also known as a "door ajar" switch, they activate the dome lights when your door is not completely closed. These replacements are available with a standard white or chrome finish. Order the model recommended for your vehicle.

3.64 out of 5 stars ( 14 )

$10.38

Denso U-Groove Spark Plugs

Denso U-Groove spark plugs are Denso's "standard" spark plug, but they're still something special. U-Groove plugs employ a unique, channeled ground electrode designed to generate a larger spark nucleus at the point of ignition. Greater spark energy than ordinary plugs means improved flame travel, producing more complete, consistent, and efficient combustion. Denso U-Groove spark plugs are engineered for greater fuel efficiency and improved throttle response. The U-Groove ground electrode was developed to meet OEM's demands for improved ignitability and lower emissions. With the U-Groove, firing can be greatly improved without increasing the spark plug gap. The insulators are made from purified alumina providing support for the center electrode, while preventing flashover and voltage loss. The copper and glass mixture bonds the center electrode together to form a gas tight seal. Select the model and options best suited for your application. Additional features and benefits of Denso U-Groove spark plugs include: * 360 degree laser-welded * 100 percent pre-fired to ensure reliable operation * Copper core center electrode for superior thermal conductivity * Unique 5-rib insulator reduces flashover and decreases voltage loss * Dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal * Original equipment in many automotive applications * Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads * Wide range of part numbers for thousands of applications, including classic and collector cars * Lasts twice as long as conventional plugs

5.0 out of 5 stars ( 1 )

$2.99

$8.99

Modal Header