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2003 Parts and Accessories
Showing In Stock Items. Show All 232 Items.
On Sale
Holley Oil Dipstick and Tube Kits for GM LS
Holley offers oil dipstick and tube kits for GM LS engines that are direct-fit assemblies for their LS retrofit oil pans. Each of these kits include the braided steel dipstick and black powdercoated steel tube built from the same high-quality materials as the OEM units. The oil dipstick and tube kits for GM LS engines provide both pieces together for one price to complement their oil pans.
( 35 )
$53.79
$48.41
On Sale
Holley MAP Sensor Adapters
Holley offers MAP sensor adapters for a variety of Chevrolet LS engine applications from 1997 and up. They feature pre-terminated connectors and wiring for a direct plug-and-play installation. Depending on the model you select, the adapter will allow: * The installation of an LS3 MAP sensor in an LS2 or LS1 equipped vehicle * The installation of an MPFI WeatherPack 3-pin connector MAP sensor to the 3-pin Delphi GT connector * The installation of a Delphi MIP 3-pin connector MAP sensor to the 3-pin Delphi GT connector
( 20 )
$41.22
$37.10
On Sale
Summit Racing™ LS Swap Motor Mount Kits
Summit Racing™ LS swap motor mount kits will make transplanting your Gen III/IV LS easier and more secure. These kits will provide the support needed, as well as confidence in knowing their fit and function will make your project a success.
( 15 )
$38.99
$35.09
On Sale
Mr. Gasket Water Necks
Mr. Gasket offers replacement water necks in a variety of styles, materials, finishes, sizes, and angles. Water necks help to hold the vehicle's thermostat in place as it opens and closes—to regulate the flow of coolant through your engine. The opening in the water neck created by the thermostat allows coolant to flow from the radiator back to the engine. Order the model recommended for your vehicle.
( 119 )
$51.19
$46.07
On Sale
B&M Transmission Brackets and Levers
B&M offers a full line of shift levers, cable brackets, and assorted linkage components everything you need for installing your B&M shifter. Or they can be used as replacements for lost or damaged parts. B&M parts are made to fit a wide variety of applications, so you're sure to find what you need.
( 188 )
$27.82
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$51.19
$25.04
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$46.07
On Sale
ACCEL Performance Spark Plugs
ACCEL performance spark plugs produce a larger spark for more power at high rpms. They improve throttle response and fuel economy and reduce fouling. Their purified Alumina insulator prevents arcing, and their machine-rolled threads protect heads.
( 290 )
$30.57
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$33.62
$27.51
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$30.26
On Sale
Mr. Gasket LS Thermostats
Mr. Gasket offers these high-quality thermostats for GM LS series automobile and light truck engines that utilize a separate thermostat and water neck. They're available in 160 and 180 degree temperatures to suit your engine application.
( 25 )
$37.66
$33.89
On Sale
Summit Racing™ Truck Shocks
Summit Racing™ truck shocks are designed specifically to give your truck a factory-quality ride, both on and off-road. The twin-tube, hydraulic-action shocks feature multi-stage valving and are available for front or rear positions. They're offered in a variety of extended and collapsed lengths for stock-height and lifted applications. All truck shocks come standard with red polyurethane bushings and boots.
( 125 )
$35.99
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$37.99
$32.39
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$34.19
On Sale
Pypes Exhaust Hangers
Pypes exhaust hangers have an OEM appearance but upgraded 304 stainless steel construction. These hangers are recommended with any aftermarket cat-back exhaust systems. Pypes exhaust hangers are perfect for today's performance vehicles that utilize larger-diameter exhaust pipes, while maintaining that OEM appearance.
( 167 )
$30.79
$27.71
On Sale
Hooker Blackheart Transmission Mounts
Hooker Blackheart transmission mounts are constructed of durable polyurethane to handle the stress and vibration of high-horsepower applications, while still lasting longer than rubber mounts. Their 3-hole design allows multiple mounting options for factory chassis or custom hot rod applications, and they feature a unique built-in safety lock to keep from separating under high-torque loads. Features: * Can be used in place of 1-bolt or 2-bolt mounts * Absorbs vibration and last longer than rubber * Ideal for use on street or strip applications * Molded indentions for socket clearance to ease installation * Complete with Grade 8 mounting hardware
( 6 )
$44.29
$39.86
On Sale
Holley Plenum O-Ring Cords
Holley offers all of the components that you need to service your intake manifold. Their plenum O-ring cords are constructed from top-quality Viton® and allow you to cut and glue the O-ring size you need.
( 1 )
$45.64
$41.08
On Sale
Hooker Blackheart Engine Mount Inserts
Hooker Blackheart engine mount inserts are for use with Hooker Blackheart Clamshell engine mounts, and have been designed with durability, performance, and ease of installation in mind. They are available in both black and red, and feature factory-style indexing tabs to help with alignment during installation. The Blackheart engine mounts and inserts are sold individually. Features of Hooker Blackheart engine mount inserts include: * Heavy-duty thermoplastic polyurethane overmold for durability in high-horsepower applications * Polyurethane overmold fully encapsulates/interlocks the inner metal core to reduce the risk of part separation * Heavy-duty, zinc plated inner core for durability and corrosion resistance * Polyurethane around through-bolt provides cushion and prevents metal-to-metal contact
( 23 )
$33.78
$30.40
On Sale
RAM Clutch Billet Steel Alignment Tools
RAM billet steel alignment tools are precision-machined for perfect alignment of clutch discs. These specialty tools feature an open backside that allows the clutch pack to be progressively loaded without having to juggle all of the parts when performing the clutch install. Tool models are available to service a variety of pilot and shaft diameters, as well as input spline quantities. This is a must for installing any dual disc clutch unit.
( 55 )
$49.00
$44.10
On Sale
Dinan Ignition Coils
Dinan ignition coils are designed to be direct plug-and-play replacements, or upgrades, to factory coils and provide greater energy output. With up to 10 percent more energy output than stock, the coils ensured a stronger and more consistent spark. Whether you are replacing dilapidated coils that are causing sluggish acceleration and/or misfires or simply upgrading for a more reliable and consistent spark, your ignition system will be more efficient with a new set of Dinan coils. They are available in several styles. For those that like to showcase engine modifications, Dinan coils come in a variety of unique housing colors with the Dinan logo for the perfect personalized touch.
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$32.75
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$33.38
$29.48
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$30.04
On Sale
Earl's Performance LS Steam Vent Adapters
The original GM brazed vent tube manifold does not take into consideration the aftermarket intakes and accessories we put on our performance vehicles. Replace the rigid hard lines with Earl's Performance LS steam vent adapters. These adjustable outlets are O-ring seal adapters designed to convert to -3 or -4 AN plumbing. Earl's steam tube adapters are the most adjustable and lowest profile available. These adapters look as nice as they are installation-friendly. There are several kits available to allow for the optimal routing on your application, including dual outlet options, which eliminate the need for a Tee adapter.
( 18 )
$76.35
$43.03
On Sale
Lakewood Clutch Fork Boots
Lakewood clutch fork boots are made of soft pliable rubber to flex easily. They help keep unwanted dirt, dust, and moisture from entering the bellhousing, which can cause contamination of the clutch.
( 18 )
$54.09
$48.68
On Sale
Holley Water Pump Manifold Hardware Kits
Holley water pump manifold hardware kits contain the replacement hardware necessary to assist with your install. Their kits are made from quality materials for lasting results. No matter what fasteners you need, check with Holley to find the perfect style and sizes you need.
( 1 )
$51.19
$46.07
On Sale
B&M Transmission Filters
B&M high-flow transmission filters are designed to help protect your transmission component, by removing unwanted particles from your automatic transmission fluid--and that's a good thing!
( 14 )
$32.72
$29.45
On Sale
ACCEL Super Coils
ACCEL Super Coils are engineered for a faster rise time and a longer spark duration. They produce higher spark energy for increased performance. These coils are available for a wide variety of specific engine applications. Order the set designed for your make and model.
( 806 )
$27.88
$25.09
On Sale
Flowtech Raptor Turbo Mufflers
If you want a mean muffler that won't tear the guts from your wallet, get a Raptor! Flowtech Raptor turbo mufflers feature a unique sound rib case design and aluminized, lock-seal construction. Gigantic, high-output flow tubes provide more horsepower, better mileage, and pure performance sound!
( 40 )
$53.25
$47.93
On Sale
ACCEL C-Cut Performance Spark Plugs
ACCEL C-Cut Performance spark plugs ignite a better path to high performance for both street and strip applications. Their ground strap aligns with the centerline of the electrode to create a much-improved electrical pathway. This design reduces quenching, shrouding, and obstruction, allowing a hotter, larger flame, better firing energy, and a complete burn. Unshroud the spark to ignite your vehicle's performance; order the ACCEL C-Cut Performance spark plugs designed to fit your engine. More product features include: * Greater fuel efficiency, reduced emissions, increased performance, and better throttle response * Helps eliminate misfiring, rough idle, and overall poor performance * Copper core outperforms iridium and platinum * Machine-rolled threads protect your valuable cylinder heads * Sizes and sets available for thousands of applications
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$24.24
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$47.21
$21.82
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$42.49
On Sale
Crown Automotive Oil Pan Gaskets
A faulty seal on the lube reservoir of your crankcase means a greasy mess under the hood and in your driveway or garage. It'll also cost you money with more frequent oil changes. You can easily solve the issue with replacement oil pan gaskets from Crown Automotive. Dozens of styles are available for a wide selection of Jeep, Chrysler, Dodge, and Plymouth models. These various gaskets are single- or multi-piece, molded from materials such as silicone, cork, and rubber for tight, exact fitments. Make sure your oil is lubricating the engine—not creating leaky drip spots everywhere you park. Match your vehicle specs to a new Crown Automotive oil pan gasket today!
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$26.99
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$37.99
$24.29
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$34.19
On Sale
Mr. Gasket Transmission Pan Gaskets
Do you have a leaky transmission pan gasket? You need to replace it with one of these premium transmission pan gaskets from Mr. Gasket. They're precision-made from materials that feature excellent compressibility and greater thickness recovery for a positive seal. Your garage floor will thank you!
( 32 )
$41.79
$37.61
On Sale
Holley EFI GM-Style Fuel Filter Regulators
Holley EFI GM-style fuel filters have a built-in regulator to provide a simple and clean means to fueling your LS swap. Available with OEM-style or -6AN connections, they feature an internal regulator set at 58 psi, along with an integrated 5 nominal micron rated filter. The bypass design allows you to run one inlet with one outlet to the engine, and a return outlet back to the tank. Holley EFI fuel filter regulators are ideal when performing a LS engine swap or any other fuel injection swap that is designed to run at 58 psi of static pressure. Choose the fuel filter/regulator with the proper connections for your vehicle. Features: * All stainless-steel construction for improved corrosion resistance * Designed with one inlet, one outlet, and one return * Fixed pressure at 58 psi * Nominal micron rating: 5 * Can be used with other EFI systems that require 58 psi * Not recommended with fuel pumps that flow over 450 lph * Return line required for proper regulator operation
( 10 )
$54.59
$49.13
