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GMC SIERRA 2500 HD Parts and Accessories
Fleece Performance LML CP3 Conversion Kits
Why convert your LML's fuel system from a CP4 to a CP3? Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms—resulting in costly repairs for owners when a CP4 fails. You can improve your LML Duramax's reliability and fueling capability, as well as avoid costly failure with Fleece Performance LML CP3 conversion kits. They provide OEM fit-and-finish features, like Fleece's exclusive molded hoses for the fuel feed and return, high flow CP3 fuel fittings, and their valley feed line to support aftermarket lift pump applications. Fleece Performance LML CP3 conversion kits are offered with or without pump and the pump kits come in two different style pumps—a Bosch CP3 injection pump or Bosch CP3 pump with heavy-duty 10mm cam. Choose the kit that is right for you. All kits include: * CP3 to rail high pressure fuel line * High-flow CP3 feed and return fuel fittings * Preformed fuel feed and return fuel hoses * CP3 mounting adapter * Dosing injector distribution block, feed and return lines * FCA extension harness * Low pressure fuel feed line * Hardware kit
( 1 )
$1,989.09
On Sale
AMP Research PowerSteps
AMP Research PowerSteps are full length automatic electric-powered running boards that instantly extend when you open your door, and then hide themselves safely out of sight when the doors close for improved ground clearance, aerodynamics, and appearance. And their attractive design and legendary reliable, all-weather performance sets a new industry standard. Features include: * High-strength, diecast aluminum-alloy linkage arms, anodized and PTFE coated to resist corrosion * Precision, zero-maintenance stainless-steel pivot pins * Extruded aluminum steps with a textured powdercoated finish for maximum grip and durability * Weatherproof, OEM-quality electric motors and wiring harness with sealed weathertight connectors * AMP-designed electronic controller employs pressure-sensitive, pinch-proof safety technology * Integrated LED light system (standard) * 600 lbs. load capacity (each side)
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$1,799.99
$1,599.99
On Sale
AMP Research PowerStep Vision Running Boards
View the intelligence of the AMP's Smart Series in a new light with their PowerStep Vision. Featuring an all-new LED glow lighting system integrated seamlessly into a reimagined step profile, they provide an innovative and unique electric running board experience. AMP Research PowerStep Vision running boards are meticulously engineered and crafted with anodized cast aluminum steps, hinges, and corrosion-resistant stainless steel hinge pins. Both step surfaces receive a military-grade PTFE coating, further guarding against corrosion and unsightly wear for years of reliable service. The technology of the PowerStep Vision combines the ease and convenience of a power retracting step with built-in full-length LED lighting, offering vibrant illumination, guiding your steps for maximum safety and stability. When the steps retract, their radiant lighting transforms into color-customizable accent lighting for a sleek, custom appearance. Select the Vision PowerStep designed for your vehicle. Features and benefits: * Steps automatically deploy when you open door * AMP's classic LED courtesy lights activate when running boards are deployed * Vision's flagship lighting operates at full power when steps are deployed, then dim once retracted for sleek, color-changing accent light functionality * Integrated remote operation with AMP Research Smart Series smartphone app (iOS and Android) * Premium, single-motor design automatically deploys and retracts boards * Corrosion-resistant cast-aluminum construction for strength and durability * Anodized finish with military-grade PTFE coating * Extra-wide, non-slip 6-in. step surface runs the length of the cab * Tuck under vehicle when retracted for amazing ground clearance * PowerStep deploys lower than most other steps * Includes vehicle-specific installation guide and mount kit * Sturdy, rocker-panel-mounted brackets * Simple plug-and-play integration using the OBDII module * 5-year limited warranty * 600 lb. load capacity
Not Yet Reviewed
$1,999.99
$1,799.99
PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers
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 Z36 Truck and Tow brake upgrade kits with calipers are recommended for trucks, 4x4s, and SUVs that not only work hard, but play hard as well. These brake pad, rotor, and caliper kits come with everything you need, including premium stainless steel hardware, for an easy, bolt-on installation. PowerStop's Z36 Extreme low-dust ceramic brake pads are reinforced with carbon fiber to provide severe-duty stopping power without sacrificing everyday drivability. They are paired with drilled, slotted, and zinc plated rotors that keep brake temperatures down by maximizing heat dissipation, critical for those long mountain descents. The bright red powdercoated calipers are not only protected against corrosion, but also stand out behind your wheels. Whether towing a boat or trailer, hauling for the jobsite, or tackling a tough off-road trail, choose easy and affordable, bolt-on performance upgrades—PowerStop Z36 Truck and Tow caliper brake kits.
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$1,575.26
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$1,582.44
Fleece Performance Cheetah LB7 Turbochargers
Inspired by the fastest land animal, Fleece Performance Cheetah LB7 turbochargers can power your rig all the way up to 625 RWHP. These turbos will outrun the competition with custom 63mm compressor wheels, high-flow Inconel turbine wheels, and a 100 percent drop-in installation! Your diesel will feed on maximum airflow, more power, lower EGTs, and increased efficiency. If you're on the prowl for performance, let a Cheetah turbocharger from Fleece set the pace for your LB7 engine.
Not Yet Reviewed
$1,999.00
Nitrous Express NXd Stacker Diesel Nitrous Systems
The NXd Stacker nitrous systems are the pinnacle in economical, safe add-ons for your modified diesel truck. Nitrous Express is committed to advancing nitrous technology. With these systems, they have succeeded in boosting torque and horsepower, dramatically reducing exhaust temperatures, and eliminating that ugly black smoke cloud. They allow you to stack nitrous on your existing diesel chip. These Stacker systems include Lightning series solenoids, a nitrous bottle with a Lightning 45 bottle valve, stainless braided feed line, nickel plated fittings and all necessary hardware need for installation. For the most up-to-date technology, always look to Nitrous Express!
Not Yet Reviewed
$1,573.95
Pacific Performance Engineering Exhaust Manifolds
Replacing your stock exhaust manifold and up-pipes should be the first step in building a high performance exhaust system. Pacific Performance Engineering exhaust manifolds are co-designed by Honeywell (Garrett) and PPE, using CAD software to maximize flow characteristics. The included up-pipe bellows are high-flow, internally sleeved, and manufactured from 11-gauge, 0.120 in. wall aircraft-grade stainless steel with a 2 in. O.D. The exhaust manifolds are machined from high-silicon moly cast iron; feature built-in bosses; and are pre-drilled and tapped for a 1/8 in. NPT EGT sensor. PPE exhaust manifolds will help lower exhaust gas temperatures, reduce drive pressure, and accelerate turbo spool-up while maintaining reliability. Order the model recommended for your application.
( 2 )
$1,520.99
On Sale
Hays Twister Full Race Torque Converters
Hays Twister Full Race Torque Converters feature a custom-designed anti-balloon plate to stop any converter ballooning and swelling in racing situations. These torque converters are designed for use with a trans-brake and great for power adders such as nitrous, superchargers, and turbos. They're available with various RPM stall speed offerings to accommodate any mixture of modifications—including higher compression ratios, aftermarket camshafts, aftermarket cylinder heads, lower gear ratios, and vehicle weight loss. Additional product features: * All Full Race Series converters are built, tested, and proven to support up to 1,000 hp * Designed to handle the extreme shock and abuse of trans-brakes, nitrous oxide, superchargers, and turbochargers * State-of-the-art spray welding process is used in select areas. Spray welding provides clean, strong, and consistent fusion while also increasing strength through hardening from higher process temperature * Each converter is hand-built and inspected in every step of assembly to ensure top-of-the-line quality * All Hays torque converters are internally welded, compared to brazing. Testing has shown welding provides longer converter life while also enhancing consistency * Heavy-duty Torrington bearings are used for greater strength and durability * Stators are chosen with high-flow vents and channels to promote cooling in heat-producing higher horsepower applications * Increased horsepower and acceleration due to a weight-saving, one-application design. Almost all Hays converters are built for one application to reduce weight, compared to a multi-bolt pattern converter * Full Race Series torque converters are offered in several different stall speeds for popular automatic transmissions.
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$1,749.95
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$1,999.95
On Sale
Stainless Works Long Tube Headers
Stainless Works long tube headers are constructed from CNC mandrel-bent tubing with laser-cut flanges. These high-flow headers are made for your specific application, ensuring a perfect fit and excellent performance.
( 6 )
$1,590.30
DeatschWerks Fuel Injectors
DeatschWerks fuels your passion for performance with fuel injectors specifically designed and engineered for your Sport Compact, Modern Muscle, and European vehicles. DeatschWerks fuel injectors are manufactured to fit your OE harness, fuel rail, and manifold. Because they are application-specific, you'll spend less time installing and tuning, so you can spend more time enjoying the increased performance of your ride! They provide an excellent spray pattern and atomization for optimized idle and tuning. Each set is flow-matched both statically and dynamically, and flow-balanced to within one to two percent. A flow report is included with each set of DeatschWerks fuel injectors.
( 70 )
$1,669.00
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$1,689.00
On Sale
Summit Bucks
Mishimoto Intercoolers
Maximize your ride's performance with a Mishimoto intercooler! These high performance intercoolers significantly lower air intake temperatures, while safely increasing horsepower for small and large turbo applications. Constructed from 6061 aluminum and precision TIG-welded, Mishimoto intercoolers feature sleek styling in a choice of colors for the ultimate in good looks. Whether you want to show it off or go with the popular sleeper look, Mishimoto makes an intercooler to give your engine--and your style--a boost!
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$1,595.95
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$1,899.95
On Sale
Retrax Pro MX Tonneau Covers
Many truck owners use a heavy-duty wide T-style garage broom to clear a lot of snow off their bed cover. Trouble is, the bristles are often rough. Now, Retrax Pro MX tonneau covers combine a scratch-resistant matte black cover with industrial strength aluminum slats and support beams, allowing them to hold 500 evenly distributed pounds. They're designed for operation in temperatures ranging from -50 to 180 degrees F. Sealed ball bearing rollers allow the cover to easily close or open into its 11 in. squared spiral track container—which prevents the cover from contacting itself, keeping wear and tear to a minimum. Excellent seals and weatherstripping keep contents in the bed dry, while the retractable cover can be kept fully open or locked in any position along the rails. With their double-latch, lockable storage, great warranty, and strong construction, Retrax Pro MX tonneau covers deliver functionality and great looks over the long haul! Order the model tailored for fitment on your truck bed.
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$2,099.99
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$2,199.99
$1,799.99
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$1,899.99
Westin Pro-E Power Running Boards
Westin Pro-E power running boards are superior upgrades that combines the functionality and appearance of your vehicle. They are designed with a practical feature that automatically deploys when your vehicle's door is opened, allowing easy entry and exit. When the door is closed, the running boards smoothly retract, seamlessly integrating with your vehicle's body and maintaining its sleek appearance. Pro-E boards are equipped with two waterproof IP68 rated motors per side, and are engineered for durability and reliability in any weather condition. The integrated LED lights illuminate the 6 in. wide, durable aluminum step surface, ensuring enhanced visibility and safety. Whether it's day or night, you can confidently step onto these running boards with their impressive weight capacity of up to 300 lbs. per side. Westin Pro-E power running boards are constructed from corrosion-resistant aluminum and finished with a durable textured black powder coat. The included vehicle-specific mounting brackets and hardware guarantee a seamless installation process, ensuring a perfect fit for your vehicle. Choose the boards designed for your vehicle.
( 2 )
$1,723.99
MechMan Dual Bracket Kits
MechMan Alternators offers dual bracket kits for a wide range of applications, from the 1990s and up. Unless otherwise noted, these kits include two alternators, as well as brackets, regulators, pulleys and serpentine belts. Order the model recommended for your vehicle.
( 1 )
$1,599.00
On Sale
Go Rhino Bed Bars
Rhino bed bars from Go Rhino will add intimidating off-road style to your pickup. Constructed from 3 in. diameter steel tubing, these bed bars stand tough—and they come in a black powdercoat, chrome, or polished stainless finish to trick out any truck. Go Rhino bed bars feature a complete bolt-together design with no exposed welds or mounting hardware and also include hard plastic gaskets to eliminate any metal-to-metal contact. Choose your bed bars in single, double, or triple-bar style to get the right look for your truck. For even more utility, add an optional light bar and lights (sold separately) to your Go Rhino bed bars!
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$1,819.99
$1,546.99
On Sale
Retrax Pro XR Tonneau Covers
Retrax Pro XR tonneau covers are manual retractable truck bed covers constructed from industrial strength aluminum slats that provides unsurpassed strength and ruggedness. Retrax Pro XR tonneau covers not only provide durable protection, but their low-profile design will enhance the appearance of your truck. Features include: * Unique spiral track system prevents the cover from coming into contact with itself as it opens and closes * Tonneau covers effortlessly glide along the rails by the sealed ball-bearing roller system * Creates dependable seal to keep the elements out and protect your cargo * They are key lockable in any position along the rail providing unlimited flexibility in your hauling capacity * Compatible with most T-slot accessories * Increased cargo capacity above and below the covers * Opens and closes easily with one hand * Patented low-profile design * Resilient matte finish
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$2,249.99
$1,949.99
Aeromotive Phantom Direct-Fit Fuel Pumps
Aeromotive Phantom direct-fit fuel pumps are drop-in systems engineered for your late model truck. They're available in five pump sizes, from single 340 lph to triple 450 lph. Designed to work with plastic fuel tanks, Phantom Series pumps cover a range of GM truck models spanning decades. The 1999-2004 models used a smaller factory fuel sending unit than the later 2005-17 models. The smaller size unit limits the pump configurations that this tank will accommodate. Aeromotive Phantom direct-fit fuel pump systems are also compatible with different tank depths.
( 2 )
$1,813.01
BDS Suspension Lift Kits with Fox 2.0 Shocks
BDS Suspension steps up the performance and capability of your truck or Jeep with their Fox 2.0 lift kits. Designed to improve stance, each kit includes the necessary components to set your vehicle up right with clearance for larger tires at an affordable price. Featuring a set of Fox 2.0 IFP (internal floating piston) gas shocks, BDS lift kits may also include either ProRide coil springs for improved ride quality and more articulation, Glideride leaf springs to provide full lift height and increased capacity, or steel blocks and add-a-leaf for a level stance from front to rear. Some kits may contain other upgrades along with the Fox 2.0 shocks/struts for improved strength and handling. Select the BDS lift kit engineered for your vehicle. Fox 2.0 Performance Series shocks: * 2 in. impact extruded aluminum body * Internal floating piston (IFP) monotube design * CNC-machined 6061 T-6 aluminum mounting ends * Massive 5/8 in. hard chrome plated heat-treated alloy steel shaft * Race-developed high-flow piston design * Application-specific valving to maximize performance * Long-lasting clear anodized finish
Not Yet Reviewed
$1,795.78
Yukon Gear & Axle Dura Grip Positraction Carriers
Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. These nodular iron or steel replacements are 4-spring, Raybestos composite, clutch-style, limited-slip carriers—with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, the Yukon differential carriers are rebuildable, allowing for repairs or modifications without buying a new unit. They're available for fitment with nearly two dozen axle models. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque—benchmarks of the Yukon Gear & Axle Dura Grip positraction carriers.
( 141 )
$1,719.99
Pacific Performance Engineering CNC-Ported LLY/LBZ/LMM Cast Iron Cylinder Heads
PPE's CNC-ported LLY/LBZ/LMM cast iron cylinder heads are the ultimate upgrade to your Duramax engine to eliminate any head gasket or cracking concerns. Cast from high-quality alloyed gray iron, the PPE cylinder heads offer elevated fatigue strength, heat, and creep resistance, which prolongs the cylinder head's lifespan significantly. The cylinder heads also share the same heat expansion rate as the stock cast-iron cylinder block—no more blown head gaskets! PPE's CNC-porting process improves airflow, enhancing power, fuel efficiency, and throttle response while reducing engine stress and turbo lag. By smoothing the ports and maintaining wall thickness, these heads provide increased horsepower and torque without sacrificing reliability. Tailored to each specific head, the CNC machining compensates for casting variations, ensuring consistent and optimized airflow dynamics. Whether you have a damaged aluminum cylinder head or a desire for better reliability and longevity on your Duramax engine, cast iron cylinder heads from Pacific Performance Engineering are undoubtedly the best choice. Product features: * Specially alloyed gray cast iron liquid-cooled cylinder head * 5-Axis CNC-ported intake and exhaust ports for smooth, unrestricted airflow * Increased thermal efficiency compared to aluminum heads * Reduced noise and vibration, better ride * Eliminates head gasket scrubbing issue (blown head gasket) * Higher fatigue strength and heat resistance * Premium 21-4N, Stellite-reinforced exhaust valves * Fully nitridated valves, better abrasion resistance * Ready to install—comes with all valvetrain components, rocker arm dowels, and freeze plugs * Requires the use of LBZ/LMM glow plugs on LLY engines (sold separately) Important Notes: The valve seats of the PPE heavy cast iron cylinder heads are installed with an interference that maximizes the durability and lifespan of the cylinder heads. Such interference might not be optimal for extreme-performance applications where a significant amount of heat is created. For those applications, PPE suggests that the exhaust valve seats be replaced with higher interference (+0.006 in. to +0.008 in.) oversized exhaust valve seats (Nominal size 34mm).
Not Yet Reviewed
$1,709.99
Titan Travel Trekker Auxiliary Fuel Systems
Now a new, better concept in auxiliary fuel systems: The TITAN Travel Trekker™ is made of military grade, cross-linked polymer--- tougher than steel and longer lasting than aluminum. Its durability is legendary. These tanks are routinely tested using state-of-the-art computer simulations as well as physical drop tests. Tanks filled completely and then dropped 30 feet onto a steel plate--- never losing a drop of liquid. They are so tough and well-proven that they are backed with a lifetime warranty. There are no welds to fail and if you ever accidentally run your gooseneck hitch into your Travel Trekker™ you will most likely find it springs right back into shape. Also, soap, water and perhaps a little furniture spray polish is all you need to keep your tank looking new. The Travel Trekker™ is baffled to minimize fuel sloshing and compact enough that it can be installed in full-sized pickup beds without interfering with most in-bed hitches and tonneau covers. With one touch, the remarkable TITAN Electronic Controller™ transfers fuel from the Travel Trekker™ to the vehicle's primary fuel tank until it is automatically stopped by the controller or the button is touched again. The controller monitors and reports the fuel level in the auxiliary system at all times. Controller installation is simple and never requires cutting into the vehicle's wiring harness which could affect the manufacturer's warranty. Fuel is pumped from the top of the tank which is safer and more environmentally responsible than gravity flow systems. The system comes complete with all necessary installation components and detailed instructions. Features Include: * Baffled to reduce sloshing * Electronic Controller transfers fuel * Fits under most tonneau covers * Lifetime Warranty * Does not interfere with in-bed hitches * Meets DOT FMCSA Title 49 Requirements * Pumps from top of tank
( 2 )
$1,519.05
PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers
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. Forget standard, off-the-shelf parts. PowerStop's Z23 Evolution Sport brake upgrade kits with calipers comes with everything you need--pads, rotors, calipers, and premium stainless steel hardware for an easy, bolt-on upgrade for your daily driver. Along with increased braking power, the carbon fiber ceramic brake pads feature a low-dust formula to keep those wheels looking great while you say goodbye to nasty brake dust. These pads combine with drilled, slotted, and zinc plated rotors to ensure a cool, smooth ride that protects against rust and corrosion, while the powdercoated calipers not only protect against corrosion, but also stand out behind your wheels. Give your daily driver the easy and affordable performance upgrade it deserves--PowerStop Z23 Evolution Sport caliper brake kits.
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$1,520.84
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$1,530.37
COMP Cams Thumpr LS Master Camshaft Packages
COMP Cams Thumpr LS Master camshaft packages come as a complete valvetrain parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum horsepower and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These packages can add anywhere from 60 to 110 hp (depending on the application). COMP Cams Thumpr LS Master camshaft packages include: * Thumpr LS camshaft * Lifters * Timing gear set * Pushrods * Valve springs * Retainers * Valve locks * Spring seats * Valve seats
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$1,504.95
On Sale
AMP Research PowerStep Xtreme Running Boards
AMP Research PowerStep Xtreme running boards have been designed for those owners who live, work, and play in challenging environments. Their dual motors deliver more power when deploying and retracting, while the integrated LED lights illuminate the boards when deployed, so you'll know right where you're stepping. Features include: * High-strength, diecast aluminum alloy linkage arms are anodized and PTFE coated to resist corrosion * Precision, zero-maintenance stainless steel pivot pins * Extruded aluminum steps with a textured powdercoated finish * Weatherproof, OEM-quality electric motors and wiring harness with sealed weathertight connectors * AMP-designed electronic controller employs pressure-sensitive, pinch-proof safety technology * 600 lbs. load capacity
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$2,199.99
$1,999.99
