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Yukon Gear & Axle Ring and Pinion Sets

Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.

4.43 out of 5 stars ( 174 )

$1,600.99

$1,339.50

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Agency Power Valvetronic Exhaust Systems

Agency Power has been manufacturing Valvetronic exhausts for vehicles since 2008. A Valvetronic exhaust features a remote operated valve that can be opened and closed at the push of a button. This allows you to redirect the exhaust flow which changes the exhaust sound. On most vehicles, when the valve is closed, the exhaust gases are routed through a muffler to give you a more subtle tone. When the valve is open, the exhaust gases typically bypass the muffler system for a straight restriction-free path. The end goal is to give your machine all the power and performance you've been cravin'! These exhaust units are available in several styles, in a variety of inlet/outlet diameters, inlet quantities, shapes, and finishes. Order the model that best suits your application.

Not Yet Reviewed

$1,400.00

$1,299.50

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Summit Racing™ Precision Cast Cylinder Head

Summit Racing™ precision cast cylinder heads are made from tough A-356 aluminum alloy and feature Permanent Mold "As-Cast" technology. Port accuracy is unrivaled--meaning CNC porting is not required to provide superior flow. The result is CNC-ported performance at a fraction of the price! We start with precision CNC-finished faces and bolt holes for accuracy and fitment. American craftsmen expertly size and install the manganese bronze valve guides and interlocking ductile iron seats before finishing with a competition-grade valve job. From there, the decks are given a final pass for superior finish. They are finish-assembled in the USA with top-quality components like PAC Racing springs, fasteners, one-piece 21 4N stainless valves, machined locks, Viton® seals and chromoly steel retainers. The final result is the performance you want and Summit Racing™ quality you TRUST!

4.06 out of 5 stars ( 16 )

$1,999.99

$1,499.50

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Kooks Headers Exhaust Systems

Kooks Headers offers a variety of exhaust systems designed for specific vehicles. They feature large diameter 304 stainless steel construction with smooth-flowing mandrel-bent tubing for maximum exhaust flow. Among the options are street and OEM-style replacements, or high-rpm performance and race applications. Choose from styles such as header-back, cat-back, rear axle-back, and full-length. Look over the available options and select the model designed for your vehicle. Depending on the system you order, specs/configurations may include: * One or two mufflers, or a muffler-delete system * Muffler style: wrapped perforated core, turbo, perforated tube, glasspack * Components with a natural or polished finish * Single or dual inlet/outlet * Catalytic converter (where applicable) * Intermediate pipe (where applicable) * Tailpipe; different diameters available * Round tip(s), polished or black coated, various styles Some Kooks Headers exhaust systems are offered in one of three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters that eliminate 90 percent of "Check Engine Light" warnings; designed for naturally aspirated and forced induction engines up to 900 hp Note: Certain exhaust systems may not be legal for sale, installation, or use in certain locales. Check your state and local laws.

4.75 out of 5 stars ( 8 )

$1,872.67

$1,349.50

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RSO Suspension Adjustable Remote Reservoir Coilover Shocks

For incredible performance and precise control, RSO Suspension's adjustable remote reservoir coilover shocks deliver. These adjustable coilover shocks with remote reservoir provide improved suspension damping while increasing on and off-road driving comfort. They feature hand adjustable compression levels to dial-in and fine tune suspension feel. Steel smooth bore machined alloy bodies give maximum corrosion resistance and the billet coil spring nut uses the threaded body for precise height and preload adjustments. The shock utilize Eibach coil springs for extended performance and retains tolerances throughout their life. The higher spring rates and larger body increases the load capacity fixing sagging issues from added weight due to bumpers, gear, or added equipment. The steel shafts and heat-treated steel spherical bearings offer strength and dependability, while the external reservoir with high-flow hydraulic hose allows for increased oil and nitrogen capacity giving greater heat dissipation, increasing performance, and eliminating shock fade. Select the coilover shocks recommended for your make/model. Product features and details: * Vehicle-specific fitment to ensure that the part is right for your vehicle including vehicle specific reservoir mounts—backed by a limited 1-year manufacturer warranty * 2.5 in. steel body is threaded to allow precise height and spring preload settings using the billet aluminum coil spring adjuster * Direct replacement for stock and aftermarket lift kits * Hand adjustable compression levels—soft or firm—for precise tuning * Increased on and off-road comfort while increasing suspension travel and load capacity * Uses Eibach high-quality springs for increased on and off-road comfort while increasing suspension travel and load capacity * Polished 3/4 in. steel shafts and heat-treated steel spherical bearings offer strength and durability * External remote reservoir with large 9/16 in. hydraulic hose allows for increased oil and nitrogen capacity reducing heat and shock fade * Race-developed high-flow piston design

Not Yet Reviewed

$1,230.99

$1,050.50

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Unplugged Performance Ascension Front Facia Systems

Sometimes constraints become the catalyst for an art form. With Unplugged Performance's Ascension front facia systems, their approach to the design entailed the creation of a new high-performance car image, but to do so in harmony with the Tesla Model 3's groundbreaking engineering. The Ascension front fascia systems are complete bolt-on replacement solutions designed to replace the Tesla Model 3 front fascia (front bumper cover). They are crafted from an impact-resistant, proprietary blend polymer. Included in the box is a front bumper cover with under panel continuity, and all related hardware to facilitate an easy installation. There are no additional parts needed to purchase for a complete and seamless factory-style bolt-on installation.

Not Yet Reviewed

$1,995.99

$1,396.50

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Fox Racing Shox Truck 2.5 Factory Race Series Coilover Reservoir Kits

Fox Racing Shox Truck 2.5 Factory Race Series coilover reservoir kits will allow you to experience precise control and race-proven performance. Ready to bolt-on to your truck or SUV, these kits provide a pair of performer coilovers with remote reservoirs and hardware. Select the model recommended for your vehicle. Features of Fox Factory Race coilver kits for trucks may include: * 2.5 in. smooth bore zinc plated seamless steel body * Zinc plated and double clearcoated for long lasting finish * 2.5 in. smooth bore and honed seamless alloy reservoir * Black anodized, CNC-machined 6061-T6 billet aluminum components * Application specific, adjustable 3.0 Eibach racing springs * 7/8 in. hard chrome plated steel shafts * 6061-T6 hard-anodized, high flow aluminum piston * Application specific valving to maximize performance * Redundant sealing pack system main seal, wiper seal, scraper seal * JM92 Advanced Suspension Fluid for improved performance at variable temperatures * PTFE-lined, heat-treated, alloy steel spherical bearing * Direct replacement for stock and aftermarket lifts kits * Ride height preload ring adjustments

Not Yet Reviewed

$1,749.95

$1,499.50

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Fab Fours Premium Rear Bumpers

Fab Fours Premium rear bumpers are built for protection, recovery, and to showcase cutting-edge attributes. Constructed from 3/16 in. steel plate, the fully-welded bumpers are attached with 1/4 in. keyed and gusseted mounts. They include 3/4 in. D-ring mounts on each side, and work with factory mounted receivers to provide excellent recovery points—no matter which end of the strap you're on. Their design features include a heavy-duty step bumper for easy bed access; angled edges; and integrated steps on each end for further bed access or to mount back-up lights (drilling required). Most models come with a black powdercoat finish. Order the Fab Fours Premium rear bumper designed for your truck application.

4.33 out of 5 stars ( 9 )

$1,629.99

$1,389.50

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Rein Automotive Transfer Case Overhaul Kits

Rein Automotive offers transfer case overhaul kits for a variety of applications—including BMWs from 2008 and up. These are "solution kits" developed to perform a complete overhaul of the X-Drive transfer case damaged from overheating or lack of service. The complete rebuild kits include bearings, clutch packs, shims, magnets, retainers, hardware, seals, and other necessary internal components. Until now, the only solution to repair these failure-prone transfer cases was to replace with a complete assembly at the dealer or install a used assembly at the local shop. No other options were available due to no offering for internal components. All the components offered in Rein transfer case overhaul kits are OE, identical to the original parts on the vehicle direct from the factory. Order the model recommended for your vehicle.

Not Yet Reviewed

$1,316.99

$1,016.50

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Unplugged Performance Side Skirts

Unplugged Performance side skirts offer a great and easy way to add sportiness and style to your Model S. The side profile of the Model S is one of its most beautiful angles and these side skirts enhance the car's shape playing into the original styling cues that the Tesla design team built into the Model S's DNA. Installation is easy, ground clearance is kept for everyday use, and they are paintable.

Not Yet Reviewed

$1,874.99

$1,312.50

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MSS Automotive Fully Adjustable Sports Suspension Kits

Suspension components are key to making sure your car is riding smoothly on or off the road. With upgraded suspension components like these fully adjustable Sports suspension kits from MSS Automotive, you can unlock the full potential of your vehicle's performance. Triple Engineered Technology adjustable spring kits put the driver in full control of their ride and handling experience. MSS Automotive utilizes two active springs with three separate spring rates: the single-rated orange spring and the dual-rated black spring. This combination delivers a huge range of capability in operation—a smooth and almost linear transition. The relatively low initial spring rate absorbs small bumps in the road, thereby increasing grip. It then transitions to a secondary spring rate which enhances vehicle handling during cornering, giving you the ultimate control of your driving experience. Thanks to its patented triple stack spring technology, MSS Automotive can for the first time deliver improved performance, comfort, and safety, within one product—and without compromise. Choose the suspension kit designed for your application.

Not Yet Reviewed

$1,396.50

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$1,415.50

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MSS Automotive Fully Adjustable Track Suspension Kits

As MSS Automotive's sportiest state-of-tune, the fully adjustable Track suspension kits are a high-performance range with a proven motorsport pedigree. Successfully used by racers in competition, the MSS Track is also fully road legal. For a race-grade product, Track kits deliver a composed enough ride for moderate distances on the road, which makes it the perfect choice for track day enthusiasts looking to drive to and from the racetrack. The Track Pack kits share some characteristics of the Sport kits but take everything a step further in terms of track-oriented performance. With a similar ride quality to the Sport kit, the Track kits really shine when the suspension is under full load in extreme race situations--offering flattened cornering, reduced harshness while riding the apex curb on track, as well as improved steering reaction with less input necessary during cornering when compared to factory suspension. If you're looking for the ultimate in on-track performance, cornering, and steering feel, the MSS Track suspension kits are for you! Order the model recommended for your vehicle.

Not Yet Reviewed

$1,396.50

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$1,415.50

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Summit Racing™ Forged Crankshafts

Summit Racing™ forged crankshafts offer maximum strength and the best value for your dollar! Our crankshafts are non-twist forged from certified 4340 steel. They are put through several stages of heat-treatment, and then stress-relieved and shot-peened to provide the strength and reliability you demand for your high performance application. Each journal is micro-polished and a .125 in. radius is used for increased strength. Summit Racing™ forged crankshafts help you get the most in value and performance.

4.1 out of 5 stars ( 10 )

$1,229.99

$1,149.50

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