2003 Ford Mustang Performance Engines
Keep Your 2003 Ford Mustang in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 2003 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Valve Springs, Performance Engine Camshafts, and Performance Engine Push Rods. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2003 Ford Mustang Performance Engine at Advance Auto Parts is around $1,263.43, with a range that starts at $10.99 and goes up to $2,367.00. With 25 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Xtreme Energy 226/230 Cams For Ford 4.6/5.4L Modular 2 Valve With Pi Heads, High Energy Hydraulic Flat Lifter for Ford 289-351withC/M-400M, 429-460 and V6., and 7 Degree Titanium Retainer for Ford 4.6L 3 Valve/5.0 Coyote with Beehive Spring start at just $13.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Oil Filters and Programmers. At Advance Auto Parts, we’re here to help you keep your 2003 Ford Mustang in peak condition, inside and out.
Find Your Specific 2003 Ford Mustang Performance Engines
Looking for the perfect Performance Engine for your 2003 Ford Mustang? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Ford Mustang. Whether you’re driving a 2003 model or another popular model year like
1989,
1990,
1991,
1992,
1993,
1994,
1995,
2000, and
2011, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.
Essential 2003 Ford Mustang Performance Engines
Competition Cams – Rocker Arms,FS/FW 1.6 7/16 Ultra Pro Mag (Part No.1632-16)
from
$476.99
Rocker Arms,FS/FW 1.6 7/16 Ultra Pro Mag
Competition Cams – Ultra Pro Magnum Xd Rockers With 1.7 Ratio For Ford 289, 302, 351W With 7/16" Stud (Part No.1834-16)
from
$649.99
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs. of spring pressure. These 1834 rockers feature a 1.7 ratio for use with 7/16″ stud Ford 289, 302 and 351 Windsor.
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Competition Cams – Magnum Roller 1.72 Ratio Rocker Arm for BBC, Ford 429-460, 351C/M with 7/16" Stud (Part No.1411-1)
from
$23.29
Magnum Roller 1.72 Ratio Rocker Arm for BBC, Ford 429-460, 351C/M with 7/16" Stud
Competition Cams – High Energy Rocker Set With 1.6 Ratio For ’68-’77 Ford 289-351W With 3/8" Stud (Part No.1231-16)
from
$232.99
Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for high lift cams. These 1231 rockers feature a 1.6 ratio for 3/8″ stud ’78-’77 Ford 289, 302 and 351 Windsor.
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Competition Cams – High Energy 8.616" Long, 5/16" Diameter Pushrod Set (Part No.7844-16)
from
$48.99
High Energy 8.616" Long, 5/16" Diameter Pushrod Set
Edelbrock – Pushrod Set for Small Block Ford 289-302 V-8, Black Oxide finish (Part No.9632)
from
$221.99
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- Case-Hardened Tubing
- Surface Hardening
- Welded Ends
- 0.3125 in. Diameter
- Use with or without Hardened Steel Guideplates
Competition Cams – High Energy 10.136" Long, 5/16" Diameter Pushrod (Part No.7866-1)
from
$8.99
High Energy 10.136" Long, 5/16" Diameter Pushrod
Competition Cams – Magnum 8.400" Long, .080" Wall, 5/16" Diameter Pushrod (Part No.7502-1)
from
$14.99
Magnum 8.400" Long, .080" Wall, 5/16" Diameter Pushrod
Competition Cams – 1 Spring (Part No.26113-1)
from
$24.99
1 Spring
Competition Cams – 16 Springs (Part No.26113-16)
from
$409.99
16 Springs
Competition Cams – Thumpr 227/241 Hydraulic Roller Cam (Part No.35-600-8)
from
$549.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
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- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Xtreme Energy 240/246 Hydraulic Flat Cam (Part No.35-250-4)
from
$297.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
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- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Roller Cam (Part No.32-601-8)
from
$549.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
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- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Roller Cam, 2,200-5,900 RPM (Part No.35-601-8)
from
$549.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
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- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam (Part No.34-422-9)
from
$531.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
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- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Thumpr 226/241 Hydraulic Flat Cam (Part No.33-600-5)
from
$341.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
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Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – High Energy/Marine 212/212 Hydraulic Flat Cam (Part No.31-216-2)
from
$242.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
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- Good blend of efficiency and performance.
- Perfect choice for performance street rebuilds.
- Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.31-242-3)
from
$267.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
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Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Thumpr 226/241 Hydraulic Flat Cam (Part No.34-600-5)
from
$478.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
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Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Competition Cams – 10 Degree Steel Retainer for 26120 Beehive Spring (Part No.795-1)
from
$10.99
10 Degree Steel Retainer for 26120 Beehive Spring
Competition Cams – 10 Degree Tool Steel Retainer for All Valves with 1.500"-1.550" O.D. Springs (Part No.1731-1)
from
$27.99
CNC-machined for consistency, this 10 degree lightweight tool steel retainer features light weight, exceptional strength and wear characteristics. Fits engines with 1.500″-1.550″ O.D. valve spring.
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Competition Cams – Steel Retainer Set of 16 for Ford 4.6L 2 Valve with 26113 Beehive Springs (Part No.792-16)
from
$80.99
Steel Retainer Set of 16 for Ford 4.6L 2 Valve with 26113 Beehive Springs
Competition Cams – Steel Retainer for Ford 4.6L 3 Valve with 26113/26125 Beehive Springs (Part No.710-1)
from
$10.99
Steel Retainer for Ford 4.6L 3 Valve with 26113/26125 Beehive Springs
Edelbrock – Performer Series Retainer (Qty 16) (Part No.9733)
from
$141.99
Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.
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- Valve Spring Retainers for Use OE Cast Iron Heads
- Superior Quality Heat-Treated Steel
- Machined for Strength with Black Oxide Finish
- Finish Ensures Rust and Corrosion Protection
Popular 2003 Ford Mustang Performance Engines Categories
Most Popular Performance Engine Valve Springs for 2003 Ford Mustangs
Enhance your 2003 Ford Mustang with one of the 7 Performance Engine Valve Springs we have in stock, starting at just $24.99.
Competition Cams – 32 Springs (Part No.26125-32)
from
$933.99
32 Springs
Competition Cams – 16 Springs (Part No.26123-16)
from
$309.99
16 Springs
Competition Cams – 12 Springs (Part No.26918-12)
from
$199.99
12 Springs
Competition Cams – 1 Spring (Part No.26123-1)
from
$29.99
1 Spring
Competition Cams – 1 Spring (Part No.26125-1)
from
$28.99
1 Spring
Competition Cams – 1 Spring (Part No.26113-1)
from
$24.99
1 Spring
Competition Cams – 1 Spring (Part No.26918-1)
from
$24.99
1 Spring
Best-Selling 2003 Ford Mustang Performance Engine Camshafts
Upgrade your Mustang with one of our 11 best-selling Performance Engine Camshafts.
Competition Cams – Xtreme Rpm 230/230 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106160)
from
$2367.00
Serious street effort with maximum power gains in mid to upper RPM. Requires computer modifications and lower gears. Automatic cars need a 2000+ stall. Requires custom tuning. Mild rough idle.
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Competition Cams – Xe-R S-Charged/N2O 230/232 Hydraulic Roller Cams Ford 4.6/5.4/5.8 Modular 4-V (Part No.106360)
from
$2367.00
Serious street effort for supercharged or nitrous applications. Requires custom tuning and lower gears. Automatics will require a 2000+ stall. Mild rough idle.
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Competition Cams – Xtreme Xe-R 242/240 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106500)
from
$2367.00
Race or limited street use. Cams require a larger throttle body, mass air, injectors, exhaust upgrades and requires custom tuning. Automatics need a 3000+ stall. Very rough idle.
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Competition Cams – Xtreme Rpm 234/230 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106200)
from
$2367.00
Street and strip performance. Needs lower gears, exhaust upgrades, larger throttle body and mass air, bigger fuel injectors and a 2200+ stall with automatics. Requires custom tuning. Rough idle.
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Competition Cams – Xtreme Rpm 218/218 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106060)
from
$2367.00
COMP Cams 106060 is part of the Xtreme RPM Series Modular 4V camshafts, designed for Ford 4.6L and 5.4L DOHC Modular V8 engines. It delivers strong low-to-midrange torque, extends the usable RPM range to 5,000, and serves as an excellent street/strip upgrade without requiring computer modifications.
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Competition Cams – Xtreme Xe-R 226/224 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106300)
from
$2367.00
Street performance with excellent torque in normally aspirated engines. Requires custom tuning. Noticeable idle.
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Competition Cams – Xe-R S-Charged/N2O 238/240 Hydraulic Roller Cams Ford 4.6/5.4/5.8 Modular 4-V (Part No.106460)
from
$2367.00
Max strip and street cams for centrifugal supercharged or nitrous engines. Large gains in power with larger throttle body, mass air, injectors and exhaust upgrades. Requires lower gears and custom tuning. Use a 2500+ stall. Rough idle.
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Competition Cams – Xtreme Rpm 226/222 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106100)
from
$2135.00
Great street performance featuring excellent torque and horsepower gains with a noticeable idle. Requires custom tuning.
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Competition Cams – Xtreme Xe-R 234/232 Hydraulic Roller Cams For Ford 4.6/5.4/5.8L Modular 4 Valve (Part No.106400)
from
$2135.00
Hot performance cams with serious horsepower and torque gains. Recommended lower gears, requires custom tuning, larger throttle body, mass air, injectors and exhaust upgrades. Automatics use a 2200+ stall. Features a rough idle.
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Competition Cams – Xtreme Energy 226/230 Cams For Ford 4.6/5.4L Modular 2 Valve With Pi Heads (Part No.102500)
from
$1041.00
Excellent torque. Better low and mid-range torque with more power. Will work with stock computer, best with custom tuning.
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Competition Cams – Xtreme Energy 224/232 Cams For Ford 4.6/5.4L Modular 2 Valve (Part No.102100)
from
$1041.00
Excellent upgrade from stock cam. Improved torque and power. Works with stock computer, best with custom tuning. Smooth idle.
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Top-Quality Performance Engine Push Rods for 2003 Ford Mustangs
Choose a high-quality OEM or aftermarket Performance Engine Push Rod for Ford Mustangs and enjoy top-notch performance from $15.99.
Competition Cams – Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod Set (Part No.7635-16)
from
$225.99
Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod Set
Competition Cams – Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod (Part No.7635-1)
from
$15.99
Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod
Top Picks for 2003 Ford Mustang Performance Engine Valve Spring Retainer
Invest in one of our 3 durable Performance Engine Valve Spring Retainer for your 2003 Ford, knowing you’re getting trusted brands and expert craftsmanship.
Competition Cams – 7 Degree Titanium Retainer Set of 24 for Ford 4.6L 3 Valve with 26113 Springs (Part No.702-24)
from
$731.99
7 Degree Titanium Retainer Set of 24 for Ford 4.6L 3 Valve with 26113 Springs
Competition Cams – 7 Degree Titanium Retainer for Ford 4.6L 3 Valve/5.0 Coyote with Beehive Spring (Part No.702-1)
from
$32.99
7 Degree Titanium Retainer for Ford 4.6L 3 Valve/5.0 Coyote with Beehive Spring
Competition Cams – Steel Retainer for Ford 4.6 4 Valve with 26123 Beehive Springs (Part No.799-1)
from
$10.99
Steel Retainer for Ford 4.6 4 Valve with 26123 Beehive Springs
Our Performance Engine Rocker Arms for 2003 Ford Mustangs
Make a smart move for your 2003 Ford Mustang with our Performance Engine Rocker Arm for $50.99.
Competition Cams – Ultra Pro Magnum Rocker Arm with 1.7 Ratio for Ford 3.8L V6 with 3/8" Stud (Part No.1619-1)
from
$50.99
This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.7 ratio, this rocker fits Ford 3.8L V6 with a 3/8″ diameter stud.
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FAQs for 2003 Ford Mustang Performance Engines
What are the best-selling Performance Engines for 2003 Ford Mustangs?
Out of 25 Performance Engines that fit 2003 Ford Mustangs, the following parts are the top sellers:
- Xtreme Energy 226/230 Cams For Ford 4.6/5.4L Modular 2 Valve With Pi Heads (50272282) – $1,041.00
- High Energy Hydraulic Flat Lifter for Ford 289-351withC/M-400M, 429-460 and V6. (50286534) – $13.99
- 7 Degree Titanium Retainer for Ford 4.6L 3 Valve/5.0 Coyote with Beehive Spring (50289429) – $32.99
What’s the price range for 2003 Ford Mustang Performance Engines?
The prices of Performance Engines for the 2003 Ford Mustang range from $10.99 up to $2,367.00 for the most premium parts.
What is the average price of a Performance Engine for a 2003 Ford Mustang?
The average price for Performance Engines for the 2003 Ford Mustang is $1,263.43. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Engines for other Ford Mustang model years?
What are the cheapest Performance Engines for my 2003 Ford Mustang?
The cheapest 2003 Ford Mustang Performance Engines we carry are:
- Steel Retainer for Ford 4.6 4 Valve with 26123 Beehive Springs (50289511) – $10.99
- High Energy Hydraulic Flat Lifter for Ford 289-351withC/M-400M, 429-460 and V6. (50286534) – $13.99
- Magnum 7.150" Long, .080" Wall, 5/16" Diameter Pushrod (50289260) – $15.99
- 1 Spring (50288653) – $24.99
- 1 Spring (50287858) – $24.99
Does Advance Auto Parts sell Performance Engines for any other 2003 Ford models?
Yes. We stock Performance Engines for 9 other popular 2003 Ford models. Some of the most popular are 2003 F-150 Performance Engines, 2003 E-250 Econoline Performance Engines, 2003 Explorer Performance Engines, 2003 F-250 Super Duty Performance Engines, and 2003 F-350 Super Duty Performance Engines.
What types of Performance Engines do you sell for my 2003 Ford Mustang?
As of 6/2/26, these are some of the most in-demand types of Performance Engines for a 2003 Ford Mustang:
Can I get help with 2003 Ford Mustang Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ford Performance Engines and more.
What is your return policy for Ford Mustang Performance Engines?
Advance Auto Parts keeps returns simple. For new Ford Mustang Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.