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2003 Parts and Accessories
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Summit Racing™ Pro LS Crankshafts
Summit Racing™ Pro LS forged steel crankshafts deliver industry-leading fit, finish, and durability at an affordable price. Order the model recommended for your year/make and engine application. Check out the long list of premium features: * 4340 forged steel * Tested to over 1,200 hp in boosted applications * Core hardened to optimum strength, then tempered to remove stresses * Nitride hardened, which results in less distortion, excellent case depth, and more fatigue life * Profiled counterweights reduce windage * Precision stroke and indexing * Lightening holes are drilled in the rod journals for quicker engine acceleration * Gun-drilled Main Journals for quicker engine acceleration * Each crank is magnetic particle tested to ensure it's free of flaws * Large radius fillets for increased strength, narrowed rod bearings for reduced friction * Straight shot oiling for maximum lubrication just prior to maximum load angle * Maximum journal tolerances of +/- .0001 in. ensure consistent bearing clearance * Micro-polished journals with chamfered oil holes for maximum durability and bearing life * Optimized counterweight placement for reduced twisting at high RPM and ease of balancing * High-quality reluctor rings are installed with precision fixturing * Extra 3/16 in. front keyway for blower cars
( 12 )
$899.99
McLeod RST Street Twin Clutch Kits
Intended for high-horsepower street fans, the McLeod RST Street Twin clutch kits are economically priced twin disc clutches that use your existing flywheel. Able to handle up to 800 hp, the RST Street Twin clutches remain completely street-drivable. The organic lined clutch discs provide smooth engagement with a soft pedal effort, making these clutch kits ideal for the street performance enthusiast. (For select vehicles where these clutches are not adaptable to your existing flywheel, a new flywheel is included in the kit.) Here are some additional features of the McLeod RST Street Twin clutch kits: * Alignment tool included * Lighter-than-stock pedal feel * Will bolt to factory flywheel * CNC-machined and anodized flywheel adapter ring * Organic disc facing for smooth and even clutch engagement with excellent release qualities * Low rotating mass for quick revs * Blanchard ground floater with multiple straps to reduce noise for streetability
( 85 )
$925.00
Cam Motion Lifters
Cam Motion lifters are available to fit your desired level of performance and budget. From economical stock replacements to their High Performance, Racing, and Premium lines of lifters, Cam Motion covers many applications. Their Premium hydraulic roller lifters feature cold-forged steel construction, precision-ground needle roller bearings and extra-long pistons, precision oil metering, and high-flow, quick-reacting check valves. Cam Motion lifters are available in factory tray/retainer-styles and tie bar-styles.
( 8 )
$766.32
FiTech Ultimate LS Standalone ECUs
FiTech presents Ultimate LS standalone ECUs. These self-learning ECUs are offered with and without transmission control. So if you're considering utilizing a factory intake, throttle body, and injectors, FiTech Ultimate LS standalone ECUs will get your engine ready for optimal performance.
( 51 )
$951.94
South Bend Clutch Dyna Max Organic Clutch Kits
South Bend Clutch Dyna Max organic clutch kits are manufactured with performance organic friction material. Designed to provide smooth clutch engagement, these Dyna Max organic clutch kits include the necessary parts you need to do the job—and many kits include Kevlar® pilot bushings. The kits are available for a variety of clutch styles and applications and may come with or without a flywheel. Select the kit to fit your application needs.
( 103 )
$759.98
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$986.46
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 )
$799.91
Eaton Detroit Truetrac Differentials
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
( 513 )
$767.99
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$990.99
McGaughy's Suspension Lowering Kits
McGaughy's Suspension is the industry leader in the lowering and drop kits. All McGaughy's suspension lowering kits are exclusively designed, tested, and test fit for each application. Their lowering kits are of the highest quality found in the industry today. Competitors have tried to copy McGaughy's patented spindles and components for years and were stopped in their tracks. Their only way around McGaughy's rock solid patents was to change their designs in a way that drastically and negatively affected their products.
( 237 )
$770.99
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$932.85
Summit Racing™ Pro SBC LS Firing Order Hydraulic Roller Cam and Lifter Kits
Summit Racing™ Pro SBC LS firing order hydraulic roller retrofit cams are available in seven stages--from a small smooth idle cam capable of towing, to a big duration stomper that's ready to go bracket racing. Utilizing the LS firing order on a traditional small block Chevy improves the engine in several ways, including exhaust sound and harmonic improvements. These kits include a premium camshaft and drop-in link bar style hydraulic roller lifters. Best of all: these Pro SBC LS firing order hydraulic roller retrofit cams are precision-ground in the USA on USA billets! Order the cam recommended or your application.
( 2 )
$941.83
Meziere 300 Series Electric Water Pumps
Meziere 300 Series electric water pumps are the Big Daddy of electric water pumps. They're capable of flowing 55 gpm--enough for a 600 hp oval track car or a 2,200 hp Pro Mod. They have larger internal passages and heavy-duty motors and are available in radiator, remote mount, or engine mount versions. These pumps feature CNC-machined aluminum housings, epoxy coated motor windings, an RF suppression circuit, and a one-piece, carbon-ceramic seal.
( 83 )
$818.43
DeWitts Direct-Fit Pro-Series Radiators
DeWitts direct-fit pro-series radiators are designed specific to fit each application and will outperform the OEM unit by a large margin when comparing cooling efficiency. They feature factory-style press-formed end tanks, dual row cores, and serpentine fins. Available for either automatic or manual transmissions. Be sure you are selecting the radiator with the appropriate specs for your prized project.
( 167 )
$890.99
QA1 Pro Coilover Systems
QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. Pro coilover systems utilize adjustable and non-adjustable coilover shocks and springs designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and variable position valving adjustment (where applicable) for performance not found in other kits. Choose QA1 Pro coilover systems for your next suspension upgrade.
( 354 )
$885.95
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$964.95
BTR Equalizer 1 Intake Manifolds
BTR Equalizer 1 intake manifolds are low-profile, high performance intakes. Cast from 319 aluminum, these Brian Tooley Racing manifolds are designed for combinations that are looking to make peak power between 6,000 and 8,000 rpm. Boosted engine combinations are actually more reliable making peak power in this higher rpm range, compared to making peak power around 6,500 rpm like most stock style intakes, provided the valve train is engineered properly. These units are available for a variety of applications from 1997 and up. Features and specifications for Equalizer 1 manifolds: * O-ringed port openings and lid surface * Easy insert steep chamfer injector bores for trouble-free injector O-ring insertion * Underslung plenum design for maximum hood clearance * 102mm profiled throttle bore * One map sensor location in rear, with two additional user optional locations * Additional user-defined LS3 and LS1, LS2, and LS6 map sensor bores * ISO9001:2015 certified machining * 2-piece design for easy porting access * Lightweight CAD-generated design * Profiled port openings for optimum out-of-the-box performance * All threads are roll form aircraft standard DSDV * Clears F-body cowls * Clears C5 cowls with minimal massaging to intake
( 5 )
$799.99
Trick Flow® Track Max® Hydraulic Roller Camshafts for Ford 4.6L/5.4L 2V
Trick Flow® Track Max® hydraulic roller camshafts for Ford 4.6L/5.4L 2V modular engines are designed and dyno-tested to ensure maximum performance. These camshafts are manufactured from premium blank cores that are heat-treated to the proper hardness. They're precision-ground to exacting tolerances to deliver enhanced power and proven Trick Flow® performance throughout the engine's powerband.
( 2 )
$999.99
Holley 4160 Marine Carburetors
Holley 4160 marine carburetors include all of the same features as their street cousins--plus a few more that make them adaptable and legal for marine use. Primary differences include fuel bowl vent tubes, sealed throttle shafts, and universal marine calibration. Plus, they are designed to meet flooding and backfire requirements as defined by the U.S. Coast Guard. Other than that, they're typical Holley quality all the way, with a square bore flange, vacuum secondaries, single or dual fuel inlets, an electric or manual choke, 30cc accelerator pumps, and a 5 in. airhorn (unless noted otherwise). And last but not least, you can choose between universal or direct fit OE replacement versions.
( 10 )
$921.95
BTR Connecting Rods
BTR connecting rods are state-of-the-art 4340 H-beam rods for your build. They feature heat-treated, stress relieved, and shot peened bodies with bronze bushed pin bores, and the cap and rod are serialized at the parting line to ensure proper mating after disassembly. BTR inspects them for bearing housing and pin bore diameter, bend/twist, and C/L length. Additional features and benefits: * They are pre-torqued with high-pressure lube and ARP 2000 bolts * Sets of 8 are matched within 2 grams overall * The rods weigh in at approximately 665 grams * Laser marked on the beam with the BTR logo * Rods are individually bagged and sealed
( 2 )
$759.99
On Sale
AFCO Racing Struts
AFCO Racing struts feature the race-winning technology and valving needed for optimized road grip and cornering. The valving is based on velocity-sensitive control, which promotes a smooth feel during normal driving, and yet provides enough muscle up to carve the corners and handle the stops of competition driving. They can also be used as coilovers, allowing for lowered ride heights. Order the model recommended for your vehicle.
Not Yet Reviewed
$1,049.99
$862.99
BTR Trinity Series Intake Manifolds
The Trinity Series intake manifolds is BTR's latest offering in high-quality cast aluminum intake manifolds for LS7 engines. Their short runner, 3-piece design allows for the ultimate in application flexibility and is similar in concept to billet intakes costing thousands more. Optimum operating range is 6000-8500 rpm and is primarily intended to bridge the gap between N/A and Boosted applications. These intake manifolds utilize the high LT1 throttle body position and accepts DBW or cabled throttle bodies, yet will fit in the tight confines of the C7, C6, C5 Corvette, as well as the popular F-body platforms. BTR Trinity Series intake manifolds come semi-assembled and includes all hardware required to bolt it on. Additional features: * Available in choice of silver or black satin texture powdercoat finishes * Design incorporates two runners and an interchangeable plenum * Both the port mouth radius and the port match are CNC-machined * Seal is generated by eight entrapped O-rings at the runner/plenum interface and is clamped by M6 stainless steel socket head cap screws * Port seals are achieved SAE O-rings seated in a dovetailed O-ring groove * Incorporates two ports on the side of the throttle body boss and on the rear * Runners and plenums can be purchased separately
( 2 )
$929.99
Dart Dual Plane Intake Manifolds
Dart dual plane intake manifolds are designed to improve torque, add horsepower, and make that otherwise stock engine look a little more aggressive. They are manufactured from durable cast aluminum and are machined to tight tolerances for excellent flow characteristics. The manifolds' optimized runner length and plenum style offer improved low end to midrange performance.
( 3 )
$814.95
Summit Bucks
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.
( 71 )
$799.00
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$929.00
Painless Performance Fuel Injection Harnesses
For maximum power with exceptional drivability, transplant the power of fuel injection into your vehicle with Painless Performance fuel injection harnesses. All kits include straightforward instructions and TXL high-temperature, color-coded, and labeled wire for ease of installation. All fuel injection harnesses are 100 percent quality-tested on OmniScanners to ensure the viability of the circuits. Harnesses for both GM and Ford applications are available and they use genuine original equipment connectors for trouble-free installation and operation.
( 95 )
$809.99
PowerStop Z36 Truck and Tow Brake Upgrade Kits
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.<br><br>PowerStop Z36 Truck and Tow brake upgrade kits are recommended for trucks, 4x4s, and SUVs that not only work hard, but play hard as well. They come with everything you need, including premium stainless steel hardware, for an easy, bolt-on installation. The low-dust Z36 Extreme ceramic brake pads are reinforced with carbon fiber to provide severe-duty stopping power without sacrificing everyday drivability. These pads are paired with Evolution drilled, slotted, and zinc plated rotors that keep brake temperatures down by maximizing heat dissipation, critical for those long mountain descents. Whether towing a boat or trailer, hauling for the jobsite, or tackling a tough off-road trail, you'll get an easy and affordable, bolt-on performance upgrade with PowerStop's Z36 Truck and Tow brake upgrade kits.<br><br><strong>Features and Benefits</strong><p><ul><li>This complete brake kit has been engineered to handle the added stress of towing, hauling, mountainous driving and lifted trucks</li><li>Proprietary <strong>Carbon-Fiber Ceramic Z36 brake pads</strong> enhance the strength of a typical ceramic brake pad compound to handle heavier loads</li><li><strong>Stainless-steel pad shims</strong> resist the increased temperatures common on heavy duty applications</li><li><strong>Low-dust braking</strong> validated through on-vehicle 3rd party tests in Los Angeles, showing on average <strong>30% less dust versus OE</strong></li><li><strong>Drilled & Slotted performance rotors</strong> provide maximum cooling</li><li><strong>Bolt-on upgrade</strong> for stock brakes, no modifications necessary</li><li>Includes <strong>stainless-steel installation hardware</strong> and <strong>high-temperature ceramic brake lubricant</strong></li><li><strong>Brake rotors, pads & hardware</strong> engineered to work together to increase the overall braking power on vehicles with heavier loads</li><li><strong>Rotors are zinc plated</strong> for maximum protection against rust</li><li>Buy with confidence from the <strong>originator & industry leader</strong> of brake kits</li></ul>
( 2803 )
$763.86
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$909.12
On Sale
QuickTime Bellhousings
QuickTime bellhousings for Circle Track, strip, and street applications are built from high-grade steel. The cone is spun, not rolled or stamped, allowing these bellhousings to be the most dimensionally stable and accurate for today's high performance vehicles offering proven performance. Choose the size and specs needed for fitment on your particular vehicle, then bridge your transmission and engine with a QuickTime bellhousing.
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$1,449.95
$825.47
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$972.95
Summit Racing™ Pro LS Turbo Manifolds
Summit Racing™ Pro LS turbo manifolds allow you to easily bolt a turbocharger to your LS engine. Built from heavy-duty cast stainless steel with features, such as extra-thick flanges, V-band crossover adapters, and built-in wastegate mounts, our Pro LS turbo manifolds can handle all the heat and horsepower you can throw at them. Features: • Universal turbo manifolds • Single or dual mount designs • T4 flanges • Built in 44 or 45mm wastegate flanges • 304 cast stainless steel • Fits all LS exhaust ports
( 10 )
$999.99
