2003 Buick Regal Performance and Racing Products

Essential 2003 Buick Regal Performance and Racing Products

MSD Ignition – Mod HEI Dust Cover, V8 & Odd Fire V6 (Part No.8401)

Mod HEI Dust Cover, V8 & Odd Fire V6

from

$72.99
Stock style replacement modified HEI coil dust cover. Used on 8 cylinder vehicles only.

Product Features:
  • Externally mounted coil
  • Increases reliability
  • Increase performance
  • High quality plastic
  • Resist spark loss
  • Use brass conductors
  • Low resistance connections
  • No modifications
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MSD Ignition – Coil; GM Coil Pack; 2 Tower Style (Part No.8224)

Coil; GM Coil Pack; 2 Tower Style

from

$76.99
The updated Fuel Pump Booster is an easy way to maintain the proper fuel pressure on your car after adding a power adder such as a turbo or supercharger. The new model allows you to make your boost adjustments through a PC for improved control and accuracy. The Booster ensures that the engine receives the fuel it needs to make up for the increase in air being pumped into the intake manifold. It will increase the voltage to the factory fuel pump in proportion to manifold boost pressure in order to maintain the proper fuel delivery. The amount of increase is adjustable from a range of an additional 1.5 -22 volts up to 30 psi which can all be set and adjusted from your PC with MSD’s easy to use Windows based software. The MSD Booster will wire to the factory fuel pump relay or with a secondary booster pump.

Product Features:
  • Direct performance replacement
  • For GM 2 Tower Coils Used From Mid 1980s To Late 1990s
  • 80:1 turns ratio
  • Lower Primary Resistance Produces High Voltage Output
  • Works w/Stock Ignition As Well As MSD Ignitions
  • CARB E.O. Approved
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Accel – GM 86-99 Dis Supercoil (Part No.140017)

GM 86-99 Dis Supercoil

from

$72.99
Re-engineered to be the only true performance AC/Delco style DIS coil. “”Raised Dome”” construction, section bobbin technology, highly specialized silicone magnetic steel core, optimized windings, resistance, and turns ratio result in higher energy and voltage outputs, and longer dwell. Compatible with OE computer controlled ignition systems as well as Crane or MSD capacitive discharge DIS ignition systems. Brass contact increases energy transfer and resists corrosion better than aluminum. High dielectric strength “”ACCEL Yellow”” over molded housing. Packaged as single unit: 4 cyls require 2 coils, 6 cyls require 3 coils and 8 cyls require 4 coils.

Product Features:
  • 10-15% More Energy
  • Direct Plug In Replacement Direct OE Fit
  • Advanced Bobbin Technology
  • Highly Specialized Silicone Magnetic Steel Cores
  • Standard Motor Products SMP Dr-39
  • MSD 8224
  • Resist Corrosion
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Accel – High Energy Ignition Coil for GM HEI – 1973-1991 (Part No.140003)

High Energy Ignition Coil for GM HEI - 1973-1991

from

$100.99
Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model computer controlled HEI systems. No need to remove or re-time distributor. Complete with simplified ground strap, mounting screws, silicone coil gasket and carbon contact brush / spring.

Product Features:
  • 10-15% More Energy
  • Direct Plug In Replacement Direct OE Fit
  • Advanced Bobbin Technology
  • Highly Specialized Silicone Magnetic Steel Cores
  • Standard Motor Products SMP Dr-31
  • MSD 8225
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Edelbrock – Performer-Plus Camshaft Kit for Buick 231-252 V6 Even Fire (Part No.5487)

Performer-Plus Camshaft Kit for Buick 231-252 V6 Even Fire

from

$367.99


Product Features:
  • Designed for Optimum Torque and Acceleration
  • Maximum Performance From Idle through Mid-Range
  • Matched To Performer Intake PN[5486]
  • Includes Hydraulic Lifters and Assembly Lube
  • Major Improvement in Throttle Response and Torque
  • Use For Daily Drivers/Trucks/Vans/RVs/4x4s
  • Take The Guesswork Out Of Camshaft Selection
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Mr. Gasket – Engine Sealing (Part No.6560)

Engine Sealing

from

$499.99
Manufactured from cellulose and nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Made of high temp silicone or nitrile blend rubber
  • Torque limiters to prevent over tightening
  • One piece molded rubber
  • Fits left and right hand dipsticks
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)

PERFORMANCE OIL PAN GASKET SET

from

$27.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Ultra Seal: Oil Pan Gasket (Part No.5884)

Ultra Seal: Oil Pan Gasket

from

$36.49
Manufactured from cellulose/nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For original equipment replacement, high performance street, drag race and oval track.

Product Features:
  • Manufactured from cellulose/nitrile rubber composition gasket material
  • Provides excellent sealing and durability
  • Complete with molded rubber front/rear oil pan end seals where applicable
  • For OE replacement, high performance street, drag race and oval track use
  • Graphite Non-Wicking Rubber
  • No Cork Particles
  • Easy Removal For Disassembly
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FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

from

$26.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1800)

PERFORMANCE OIL PAN GASKET SET

from

$18.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2002)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2003)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$22.29
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2001)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-2006)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N’s pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-7000)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$14.99
K&N Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average vehicle owner who wants the best oil filter available. K&N cartridge oil filters trap harmful contaminants while the filter’s construction allows for high oil flow rates. All K&N oil filters are manufactured to meet stringent engineering standards.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
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K&N – Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine (Part No.HP-1001)

Premium Oil Filter: Ideal for Synthetic & Conventional Oil, Protects Your Engine

from

$17.99
K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers.

Product Features:
  • HIGH FLOW RATES: Designed to provide exceptional flow rates and a consistent flow of oil to your engine
  • VERSATILE COMPATIBILITY: Designed to operate with all synthetic, conventional, and blended motor oils
  • PROTECT YOUR ENGINE: Pleated synthetic-blend filtration media removes most harmful contaminants
  • EXTENSIVELY TESTED: Laboratory tested to ensure excellent capacity and burst strength
  • EASY TO REMOVE: Fast and easy Wrench-Off removal
  • HEAVY-DUTY CONSTRUCTION: Heavy-duty canister for outstanding durability
  • HIGH CAPACITY: Withstand the longer service intervals now recommended by some vehicle manufacturers
See More

FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2904)

PERFORMANCE REAR MAIN SEAL SET

from

$16.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2900)

Engine Crankshaft Seal Kit

from

$21.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2912)

PERFORMANCE REAR MAIN SEAL SET

from

$36.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – Rear Main Seal Gasket (Part No.1960)

Rear Main Seal Gasket

from

$23.99
This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Silicone Rubber to Withstand Extreme Engine Oil Temperatures
  • Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
  • Injection Molded for Precise Fit
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$52.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1000)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$59.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$39.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7310)

Cylinder Head Gasket Set for Chevrolet

from

$58.99
Product Features:
  • 4.125 in. Cylinder Bore Diameter
  • 0.039 in. Thickness
  • 8.7cc Volume
  • Charcoal Color
  • Two Piece Configuration
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$39.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Mr. Gasket – Head Gasket (Part No.1130G)

Head Gasket

from

$32.99
Mr. Gasket Steel Shim Cylinder Head Gaskets are for high performance street machines, drag racing and oval track racing. With today’s extreme compression ratios you need stronger more durable gaskets. Mr. Gasket steel shim gaskets are made from .020 inch steel shim stock which is thinner than most composite gaskets increasing engine compression. Stress formed embossments will seal the extreme cylinder pressure.

Product Features:
  • Manufactured from .020″ steel shim stock.
  • Thinner than composition head gaskets – increases engine compression.
  • Stress formed embossments seal extreme cylinder pressures.
  • For high performance street, drag race and oval track use.
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Mr. Gasket – Head Gasket (Part No.1052G)

Head Gasket

from

$75.99
Mr. Gasket Copper Head Gaskets are manufactured from dead soft solid copper that provides excellent stability and reduces cylinder bore distortion. They can be used with or without stainless steel o-rings. For supercharged, turbocharged, nitrous oxide and extreme compression ratios. For high performance street, drag race and oval track applications.

Product Features:
  • Manufactured from dead soft copper
  • .020″ thick
  • Provides excellent sealing and durability
  • Conforms to and seals minor surface irregularities
  • For high performance street, drag race, oval track and turbocharged (extreme heat) applications
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1125)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$106.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

2003 Buick Regal Performance and Racing Products

You count on your 2003 Buick Regal to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Performance and Racing Products. With 7 Performance and Racing Products ranging in price from $16.29 to $367.99, you’re sure to find everything you need for your 2003 Buick Regal.

Brands matter. If you want to shop a specific Performance and Racing Products brand, we stock 5 different brands like K&N, MSD Ignition, and FEL-PRO Performance. 2003 Buick Regal Performance and Racing Products start as low as $16.29!

One of the best ways to find top quality OEM or aftermarket Performance and Racing Products is by asking professionals. Short of that, you can shop with confidence thanks to our 111 extensive product reviews on 2003 Buick Regal Performance and Racing Products. Some of the top-rated Performance and Racing Products products we carry are GM 86-99 Dis Supercoil with 2.2 stars.

Did we mention you can order your Performance and Racing Products from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Performance and Racing Products inventory for your 2003 Buick Regal below to get started!

Top-Rated Performance and Racing Products Brands For Your 2003 Buick Regal

Trusted Performance and Racing Products OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Buick Regal running right for years to come. In our inventory you’ll find brands like K&N, MSD Ignition, FEL-PRO Performance, and even more.

Popular K&N Performance and Racing Products

You’ll find popular K&N brand products across Performance Oil Filters. All are waiting to get your 2003 Buick Regal back on the road. Some of the top-rated K&N products in these categories are:

FAQs for 2003 Buick Regal Performance and Racing Products

What are the most purchased Performance and Racing Products for the 2003 Buick Regal?

Out of 7 Performance and Racing Products for the 2003 Buick Regal, the most popular in our inventory are:
Coil; GM Coil Pack; 2 Tower Style
from $76.99
(1)
Coil; GM Coil Pack; 2 Tower Style
Performance Coils
PERFORMANCE OIL PAN GASKET SET
from $18.29
(3)
PERFORMANCE OIL PAN GASKET SET
Performance Engine Oil Pan Gaskets
PERFORMANCE REAR MAIN SEAL SET
from $16.29
This product is not rated
PERFORMANCE REAR MAIN SEAL SET
Performance Engine Main Bearing Gasket Sets

What are the top-rated 2003 Buick Regal Performance and Racing Products?

Top-rated Performance and Racing Products for your 2003 Buick Regal based on customer reviews/ratings are:
GM 86-99 Dis Supercoil
from $72.99
(6)
GM 86-99 Dis Supercoil
“I’m hoping this upgrade will get me more fuel efficiency.”