Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
FORD 6.4L/391 Parts and Accessories
Showing In Stock Items. Show All 1325 Items.
Not Showing Customizable Items. View Customizable Items.
Optima RedTop Starting 12-Volt Batteries
Optima RedTop Starting 12-volt batteries are the ultimate power source for cars, trucks, SUVs, hot rods, and other high-performance vehicles. They're engineered with unique Spiralcell technology, delivering a stronger burst of ignition power, while extending the battery life up to three times longer than conventional models. Maintenance-free RedTop AGM batteries are sealed, leak-proof, and resistant to vibrations—so you can mount them anywhere and in virtually any position on your vehicle. Order the Optima battery designed for your application, and expect a perfect start every time.
( 1544 )
$289.99
—
$299.99
HP Tuners VCM Suite MPVI4 Credit Pro Packages
HP Tuners Introduces VCM Suite MPVI4 Credit Pro packages, the latest evolution of their industry-leading OBDII interface. Built for professionals and enthusiasts alike, the computer programmers connect your vehicle to VCM Suite software (5.2+) for faster, smarter, and more powerful tuning and diagnostics than ever before. With upgraded hardware, expanded connectivity, and future-ready Wi-Fi capabilities, the MPVI4 redefines what's possible in performance calibration and data acquisition. Models are available with 0, 2, 4, 6, or 8 credits. HP Tuners VCM Suite MPVI4 Credit Pro packages feature: * Improved standalone logging: the most powerful device yet, capable of delivering standalone logging performance on par with VCM scanner and a wired connection * Upgraded hardware architecture: New internal processor for improved data throughput and flashing performance; 30x more memory than previous generation MPVI3 * High-speed USB-C connectivity: Faster, more reliable communication with your PC and vehicle * Bluetooth 5.2: Seamless wireless connection for scanning, logging, and TDN support * Wi-Fi ready (future update): Wireless VCM Suite connectivity coming soon * Enhanced storage and efficiency: Increased onboard memory for robust logging sessions * Improved OBDII fitment: A revised, tapered design means a more secure connection and better compatibility with even more makes/models * Built-In Pro feature set: Standard on every MPVI4, enabling standalone data logging and external sensor integration with PROLINK+ * RGB status LEDs: Clear visual indicators for power, connection, and activity status * Cross-Platform Compatibility: Works with VCM Suite (5.2+), TrackAddict, and RaceRender
( 6 )
$399.99
—
$799.91
Optima YellowTop Deep-Cycle 12-Volt Batteries
Optima YellowTop Deep-Cycle 12-volt batteries are high-performance, dual-purpose power sources. They're great for applications requiring repetitive amperage drain and quick recharging—like trucks with winches, commercial or public safety fleets, and vehicles loaded with electronics and accessories. YellowTops also power forklifts, tractors, and other heavy equipment. The maintenance-free AGM batteries deliver premium ignition starts, while sustaining high power levels even when system loads exceed the alternator output. Optima deep-cycle models are sealed, spill-proof, and can be mounted in most any position. They are far more resistant to vibrations than standard batteries, and will perform up to three times longer. For consistent power and faster recharges, order the YellowTop designed for your needs.
( 425 )
$319.99
—
$329.99
SCT X4 Power Flash Programmers
SCT X4 Power Flash programmers arrive to you pre-loaded with dyno-proven tune files for select vehicles, to unlock your vehicle's hidden potential! Programming your vehicle with one of SCT's pre-loaded tune files is as easy as 1-2-3. Simply plug the OBD-II connector into vehicle's OBD-II port, select the pre-loaded tune files using the simple to navigate menu and in minutes the X4 programs your vehicle for your particular driving style. Additional features and facts about SCT X4 Power Flash programmers include: * Stores up to 10 custom tune files * Full color LCD display * High-speed data logging/monitoring * Reads/clears DTC trouble codes * Dual analog inputs * Most popular vehicles supported * Installs quickly and easily * Easy restoration back to stock * User adjustable vehicle parameters * USB Interface cable included
( 99 )
$399.00
Bilstein B8 5100 Series Shocks
Bilstein B8 5100 Series shocks feature a monotube design for cooler, more efficient operation and longer life. They have the largest available piston diameter, providing superior handling and performance. The shocks' patented digressive valving instantly reacts to changing surface conditions for maximum comfort and control—on and off the road. These shocks also have split compression and rebound valving tuned for each specific application. Order the model designed for your year/make/model. Additional features: * 2 in. seamless extruded tube * 14mm centerless-ground, case-hardened, chromed, and super-polished rod * 46mm Bilstein digressive piston * Self-adjusting, deflective-disc independent rebound and compression
( 1426 )
$123.00
Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems
Air Lift WirelessAir 2nd generation on-board air compressor EZ mount systems give you everything you need for the fastest, easiest installation possible. EZ Mount systems package the manifold and upgraded, heavy-duty compressor into one convenient, pre-assembled and factory-tested bracket—giving you everything you need to have full control of your air springs in no time at all. Control the air like a boss with your Air Lift WirelessAir 2nd generation EZ mount kit. Features and items: * Inflate and deflate each air spring independently to different pressures * LCD-display wireless controller * One-touch control from inside or outside vehicle is perfect for uneven/top-heavy loads * Two user-defined memory buttons * Compact, dual-path design * Bluetooth-enabled manifold allows for over-the-air software updates * All wiring, hardware, and fittings required for installation
( 8 )
$936.99
Motorcraft Transmission Fluid
Motorcraft transmission fluid offers choice frictional characteristics and low-temperature fluidity. They help guard against varnish and sludge buildup, and reduce wear. These various additives are recommended by Ford Motor Company to provide excellent performance in many of their engines. Consult your owner's manual for the recommended transmission fluid, then order the comparable Motorcraft blend.
( 9 )
$13.99
—
$38.99
SCT BDX Performance Programmers
SCT BDX performance programmers include features that'll keep you in the fast lane! These computer programmers are bred to sharpen and maximize your rig's potential to tackle tough terrain, pull heavy payload, and gain the most fuel economy on the highway. SCT gas and diesel programmers are equipped with on-screen gauges, the capability of holding 10 custom tunes, and data logging/monitoring of critical engine parameters. BDX units allow you to adjust nearly two dozen functions (options vary for each vehicle). All of this is packed into compact, sleek, hand-held designs with full-color, easy-to-use LCD displays. Unleash more horsepower and torque when you need it the most—on and off-road. You'll stay ahead of the pack with SCT BDX performance programmers. Order the model recommended for your vehicle application.
( 18 )
$399.00
XS Power AGM Batteries
XS Power AGM batteries are some of the lightest racing batteries on the market. Independent test results have proven that they outperform other battery models that outweigh these power providers by up to 20 lbs. Cutting-edge lead acid battery technology produces more energy in a smaller space because each cell is compressed before case insertion, resulting in efficient power-producing packages that are completely sealed with no need to ever add water. This design is ideal for the abuse of racing, making these the batteries of choice for demanding racers and Monster Truck drivers who need top performance and reliability. When you are pushing to power the impossible, you need the non-stop capabilities of the XS Power AGM batteries best suited for your application. Product features include: * Designed to be an inch shorter than what the competition offers for fitting in places where space is at a premium * Deep-cycling ability and ultra-low internal resistance results in high cranking amps and excellent vibration resistance * Variable position mounting (except upside-down) thanks to the no-spill design * Offered in 6 V, 12 V, 14 V, and 16 V models
( 290 )
$399.99
Derale Hyper-Cool Remote Fluid Coolers with Fan Kits
Derale Hyper-Cool remote fluid coolers with fan kits provide the largest temperature drop of any fan-mounted cooler. Their unique fin and plate design maximizes heat dissipation and minimizes oil pressure drop, which is especially important on late model electronic overdrive transmission applications. The Derale Hyper-Cool remote fluid coolers have AN inlets and outlets and include hose barb adapters for standard rubber line. Rated at a whopping 30,000 GVW, the Derale Performance Hyper-Cool remote fluid coolers with fan make an excellent addition to your late model diesel truck.
( 87 )
$490.16
On Sale
Royal Purple HPS High Performance Street Motor Oil
Royal Purple HPS High Performance Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection. Royal Purple HPS oils are fortified with a high level of zinc/phosphorus anti-wear additive and a generous dose of Royal Purple's proprietary Synerlec additive technology. These unique formulations enable HPS oils to outperform leading synthetic and conventional lubricants in both gasoline and diesel engines.
( 311 )
$9.99
—
$192.99
Spicer Drivetrain Products Front Axle Shafts
Spicer Drivetrain Products front axle shafts feature an increased U-joint size that provides 25 percent higher yield strength than original U-joints. They offer unparalleled strength and longer life—the outer stub is re-engineered for added strength; improved snap ring retention reduces shock load failures; and material has been removed from the body and added to the yoke ears (to equalize deflection through the yoke and reduce bearing cap spinning). The axles are made from durable steel, with a micro-alloy improving their strength and a statistically controlled heat treatment ensuring proper hardness. Order the replacement model designed for your vehicle application.
( 131 )
$96.99
—
$257.99
ACDelco DEXRON-VI Automatic Transmission Fluid
ACDelco DEXRON-VI automatic transmission fluid is the most recent release in the well-established DEXRON Series of automotive transmission fluids. It provides more consistent shift performance, even in extreme conditions, and degrades less over time. DEXRON-VI helps automatic transmissions last longer and perform better. Fully licensed and approved by GM, it is recommended for use in GM transmissions model year 2006 and newer calling for DEXRON-VI automatic transmission fluid (replaces DEXRON-III and DEXRON-II(E)), and recommended for any transmission that calls for DEXRON-VI, III, or II(E). ACDelco DEXRON-VI automatic transmission fluid is not for use in CVT (Continuously Variable Transmissions) or DCT (Dual Clutch Transmissions) that require specialized fluids. Features: * Good frictional characteristics and wear protection provide enhanced cold-temperature performance, excellent friction retention and smooth shifting. * High oxidation resistance fortifies against rust and corrosion and provides for longer fluid change intervals. * Wide range of seal compatibility – can be used in an extensive variety of vehicles/transmissions. * Meets requirements for foam protection and protects against metal-to-metal friction and wear within the transmission.
( 88 )
$45.99
Royal Purple Synchromax Manual Transmission Fluid
Royal Purple Synchromax manual transmission fluid is recommended for manual transmissions that specify an automatic transmission fluid or motor oil. It is also ideal for 4x4 transfer cases and/or 2-cycle motorcycle gear boxes. Synchromax is formulated with Royal Purple's synthetic, proprietary Synerlec additive technology, which offers improved shift quality over a wide temperature range and reduced gear noise. It is fully compatible with all types of friction materials, and offers excellent oxidation and corrosion protection, without affecting the soft metals commonly found in manual transmission synchronizers.
( 80 )
$17.99
SCT Livewire TS Plus Performance Programmer and Monitors
SCT Livewire TS performance programmer and monitors let you tap your ride's hidden performance and excitement! SCT Livewire plus touch screens are easy to set-up, use, and navigate to quickly upgrade your boring factory-calibrated vehicle computer for a high performance driving experience. These tuner kits are available for both gas and diesel vehicles plus they include a windshield mount to keep your data at eye level. You're not like everyone else and your driving experience doesn't need to be mediocre! Power tune with SCT Livewire TS Plus performance programmer and monitors. SCT Livewire TS Plus features: * Color 4 in. touch screen display * Rear view camera input * Automatic on/off/sleep mode * Holds up to 10 custom tunes * Reads and clears DTC codes * Built-in performance calculator * High-speed data logging and monitoring * User adjustable tune options * User selectable graphics and gauge layouts * User adjustable warnings/alerts * Adjust for different size fuel injectors * Disable CMCV to prevent CEL * Remove, increase, or decrease vehicle's speed limiter * Increase or decrease idle speed * Disable traction control * Add or remove timing by rpm range * Add or remove fuel at wide open throttle * Change transmission shift pressure - automatic transmissions only * Set gear ratio to correct shift patterns and vehicle's speedometer * Set tire size to correct shift patterns and vehicle's speedometer * Stores vehicle's stock file before programming * Supports and holds custom tunes * Adjust electric fan engagement temperature Custom Tune File Adjustable Options: * Increase or decrease idle speed * Remove, increase, or decrease vehicle's rpm limiter in Drive * Remove, increase, or decrease vehicle's rpm limiter in Neutral * Remove, increase, or decrease vehicle's speed limiter * Adjust electric fan engagement temperature * Add or remove fuel at wide open throttle * Set gear ratio to correct shift patterns and vehicle's speedometer * Set tire size to correct shift patterns and vehicle's speedometer * Increase or decrease the wide open throttle shift points of each gear individually * Change transmission shift pressure - automatic transmissions only
( 53 )
$499.00
Bully Dog Triple Dog GT Diesel Tuners
The Bully Dog GT Diesel tuner unlocks more horsepower and torque to meet the unique demands you put on your vehicle. With shift-on-the-fly tuning for most applications, customizable gauges to track performance, and better control of defueling and regeneration, you'll be able to summon the low-end power to take on tough jobs or improve fuel economy for long highway hauls. Space for up to 10 custom tunes helps you adjust for the many ways you put your diesel to the test.
( 23 )
$399.00
Royal Purple Max ATF Transmission Fluid
Royal Purple Max ATF transmission fluid is a synthetic, high-performance, long life, multipurpose automatic transmission fluid suitable for use in many of today's vehicles. Max ATF is more oxidation-stable than other transmission fluids, and greatly resists breakdown from heat and loss of proper lubricity. It is fully compatible and can be mixed with other automatic transmission fluids; however, for the best results, drain or flush your current oil and then fill with Royal Purple Max ATF.
( 63 )
$14.99
—
$280.99
Odyssey Drycell Batteries
Odyssey sealed rechargeable drycell batteries provide high engine-cranking pulses and are capable of 400 deep cycles. They can be installed on their sides or at any angle and have a 2-year storage life at 25 degrees C.
( 235 )
$436.99
PowerStop Evolution Drilled and Slotted Rotors
PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes--no matter where or how they use their vehicle. PowerStop Evolution drilled and slotted rotors provide a bolt-on upgrade for improved brake cooling and performance on your car, truck, or SUV. They are precision cross-drilled for maximum cooling and maximum performance during extreme conditions; rounded slots sweep away gas, debris, and moisture to keep a clean friction contact patch on the rotor surface providing smooth, safe braking. Rotors without an integrated bearing are covered in silver zinc dichromate plating resists rust and corrosion. With the direct OE fit of PowerStop Evolution drilled and slotted rotors, upgrading the looks and stopping power of your vehicle has never been easier.
( 918 )
$301.99
—
$429.98
Derale High-Output Single RAD Fans
Derale high-output single RAD fans feature a versatile, state-of-the-art symmetrical design; high-output, 265-watt, 2-speed motors (where applicable); and ultra-quiet, patented skewed blades for maximum airflow. Derale Performance offers these fans in a variety of sizes in standard (push-through plastic rod mount) and premium (patented ratchet mount) styles.
( 243 )
$181.81
—
$196.95
Hypertech Max Energy Spectrum Power Programmers
Hypertech's Max Energy Spectrum Power Programmers feature a large 4.3 in., daylight readable color display in a bold, contemporary-styled package. The Spectrum's fast processor speeds mean faster programming, and a more fluid user experience. The most power-per-dollar of any bolt-on product on the market, Hypertech's Max Energy Spectrum Power Programmer adds numerous vehicle specific features with each application. As in previous Max Energy Power Programmers, this latest iteration has the ability to read, display and clear diagnostic trouble codes. Hypertech's industry-leading aftermarket tuning now comes to you in a brand new, boldly styled package with a full color screen.
( 21 )
$399.95
Mobil Delvac Extreme Motor Oil
Mobil Delvac Extreme motor oil is a premium synthetic blend, high-performance diesel engine oil. It helps extend engine life, while providing long drain capability for modern diesel engines operating in extreme conditions. Delvac Extreme is recommended for use in a wide range of heavy-duty applications and operating environments found on- and off-highway, including engines operating under heavy loads. Fully backward compatible, this oil delivers exceptional performance in both newer and older heavy-duty engines. It delivers updated high-temperature performance under the extreme operating environments found in the trucking, mining, construction, and agricultural industries. Accordingly, Mobil Delvac Extreme motor oils meet or exceed the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and CH-4 service categories, as well as key OEM requirements.
( 29 )
$23.99
—
$86.36
Mobil 1 Synthetic ATF
Mobil 1 Synthetic ATF is a multi-vehicle formula recommended for use in modern, high performance automobiles, SUVs, SUTs, vans, and other light trucks. It helps provide outstanding resistance to oil breakdown and deposits with its inherently high-viscosity index and stability. It also provides outstanding performance at ambient temperatures as low as -66 degrees F (-54 degrees C). Help improve your overall transmission durability and cleanliness with Mobil 1 Synthetic ATF.
( 24 )
$9.99
—
$53.95
Fox 2.0 Adventure Series Shocks
Fox 2.0 Adventure Series shocks are available for fitment on a wide range of trucks—including many Jeep, Chevy, GMC, Ford, Ram, Dodge, and Toyota models from 1994 and up. They're available for the front and/or rear of stock and lifted vehicles. The shocks utilize Fox's proven damping technology to provide a comfortable on-road ride and predictable off-road handling in a variety of conditions. Adventure Series shocks use a 2 in. O.D. steel body construction with a large 5/8 in. heat-treated hard chrome plated shaft for increased strength and durability. The monotube design features an internal floating piston (IFP) to separate the shock oil from the high-pressure, nitrogen charged gas chamber. This eliminates oil aeration for fade-free performance from the factory-tuned precision valving. Additional details: Body: 2.0 in. smooth bore and honed seamless alloy bodies Body plating: Thick silver powdercoat Internal reservoir: Internal IFP monotube reservoir design separates shock oil from the high-pressure nitrogen Shaft: 5/8 in. hard chrome plated heat-treated alloy steel Oil: JM92 Advanced Suspension Fluid for improved performance at variable temperatures Bushings: Quiet nitrile rubber allows for increased suspension articulation Mounting: Direct replacement for stock and aftermarket lifts kits
( 9 )
$117.95
