2003 Chevrolet Silverado 2500 HD Performance Engines
Keep Your 2003 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Rocker Arms, Performance Engine Coolant Thermostats, and Performance Engine Valve Spring Retainer. 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 Chevrolet Silverado 2500 HD Performance Engine at Advance Auto Parts is around $249.99, with a range that starts at $8.99 and goes up to $933.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Ls1 Late Thermostat, ENGINE ROCKER ARM, and LSR Rectangular Port 227/243 Hydraulic Roller Cam for GM LS GEN III/IV start at just $37.99 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 Chevrolet Silverado 2500 HD in peak condition, inside and out.
Find Your Specific 2003 Chevrolet Silverado 2500 HD Performance Engines
Looking for the perfect Performance Engine for your 2003 Chevrolet Silverado 2500 HD? 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 Chevrolet Silverado 2500 HD. Whether you’re driving a 2003 model or another popular model year like
2001,
2002,
2004,
2005,
2006,
2007,
2008,
2010, 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 Chevrolet Silverado 2500 HD Performance Engines
Competition Cams – XFI RPM 212/218 Hydraulic Roller Cam (Part No.54-412-11)
from
$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.
Product Features:
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Product Features:
- Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
- Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
- Provides outstanding low RPM torque with increased stability.
Competition Cams – XFI XE-R 232/234 Hydraulic Roller Cam (Part No.54-446-11)
from
$541.99
HYDRAULIC ROLLER – XFI XE-R: Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. Custom tuning required.
Product Features:
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Product Features:
- HYDRAULIC ROLLER – XFI XE-R: Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. Custom tuning required.
- 281/283 Advertised Duration, 232/234 Duration @ .050″, .595″/.598″ Lift, 112 Lobe Separation
- Use Dual Valve Spring part No. 26925-16 with this camshaft
Competition Cams – XFI RPM HI-LIFT 212/218 Hydraulic Roller Cam (Part No.54-424-11)
from
$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.
Product Features:
See More
Product Features:
- Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
- Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
- Provides outstanding low RPM torque with increased stability.
Competition Cams – XFI XE-R 224/230 Hydraulic Roller Cam (Part No.54-444-11)
from
$541.99
HYDRAULIC ROLLER – XFI XE-R: High rpm street/strip with XE-R lobe designs. Requires custom tuning.
Product Features:
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Product Features:
- HYDRAULIC ROLLER – XFI XE-R: High rpm street/strip with XE-R lobe designs. Requires custom tuning.
- 273/279 Advertised Duration, 224/230 Duration @ .050″, .581″/.588″ Lift, 114 Lobe Separation
- Use Beehive Valve Spring part No. 26918-16 with this camshaft
Competition Cams – XFI XE-R 238/240 Hydraulic Roller Cam (Part No.54-448-11)
from
$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.
Product Features:
See More
Product Features:
- Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
- Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
- Provides outstanding low RPM torque with increased stability.
Mr. Gasket – Ls1 Late Thermostat (Part No.6367)
from
$37.99
Designed to open at 160 degrees every time, regardless of engine rpm, and it’s high-flow design and brass and copper construction eliminate the damaging effects of cycling when you’re stuck in stop-and-go traffic. It includes the rubber gasket and has a pressure relief valve.
Product Features:
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Product Features:
- Opens sooner than stock at 160 degrees
- High flow design for performance applications
- Includes rubber o-ring seal/gasket
- Incorporates pressure relief valve
Popular 2003 Chevrolet Silverado 2500 HD Performance Engines Categories
Most Popular Performance Engine Rocker Arm for 2003 Chevrolet Silverado 2500 HDs
Enhance your 2003 Chevrolet Silverado 2500 HD with this popular Performance Engine Rocker Arm we have in stock, for $72.99.
Competition Cams – ENGINE ROCKER ARM (Part No.19024-1)
from
$72.99
ENGINE ROCKER ARM
Best-Selling 2003 Chevrolet Silverado 2500 HD Performance Engine Coolant Thermostat
Upgrade your Silverado 2500 HD with our best-selling Performance Engine Coolant Thermostat.
Mr. Gasket – Ls1 Late Thermostat (Part No.6367)
from
$37.99
Designed to open at 160 degrees every time, regardless of engine rpm, and it’s high-flow design and brass and copper construction eliminate the damaging effects of cycling when you’re stuck in stop-and-go traffic. It includes the rubber gasket and has a pressure relief valve.
Product Features:
See More
Product Features:
- Opens sooner than stock at 160 degrees
- High flow design for performance applications
- Includes rubber o-ring seal/gasket
- Incorporates pressure relief valve
Top-Quality Performance Engine Valve Spring Retainer for 2003 Chevrolet Silverado 2500 HDs
Choose a high-quality OEM or aftermarket Performance Engine Valve Spring Retainer for Chevrolet Silverado 2500 HDs and enjoy top-notch performance from $10.99.
Competition Cams – Steel Retainer for GM 6.6L Duramax with 26113/26125 Beehive Springs (Part No.701-1)
from
$10.99
Steel Retainer for GM 6.6L Duramax with 26113/26125 Beehive Springs
Our Top Pick for a 2003 Chevrolet Silverado 2500 HD Performance Engine Camshaft
Invest in a
durable Performance Engine Camshaft for your 2003 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.
Competition Cams – LSR Rectangular Port 227/243 Hydraulic Roller Cam for GM LS GEN III/IV (Part No.54-454-11)
from
$805.99
LSR Rectangular Port 227/243 Hydraulic Roller Cam for GM LS GEN III/IV
Our Performance Engine Push Rods for 2003 Chevrolet Silverado 2500 HDs
Make a smart move for your 2003 Chevrolet Silverado 2500 HD with our Performance Engine Push Rod for $8.99.
Competition Cams – High Energy 8.684" Long, 3/8" Diameter Pushrod (Part No.7814-1)
from
$8.99
High Energy 8.684" Long, 3/8" Diameter Pushrod
FAQs for 2003 Chevrolet Silverado 2500 HD Performance Engines
What are the best-selling Performance Engines for 2003 Chevrolet Silverado 2500 HDs?
Out of 8 Performance Engines that fit 2003 Chevrolet Silverado 2500 HDs, the following parts are the top sellers:
- Ls1 Late Thermostat (11151861) – $37.99
- ENGINE ROCKER ARM (50272786) – $72.99
- LSR Rectangular Port 227/243 Hydraulic Roller Cam for GM LS GEN III/IV (50288154) – $805.99
What’s the price range for 2003 Chevrolet Silverado 2500 HD Performance Engines?
The prices of Performance Engines for the 2003 Chevrolet Silverado 2500 HD range from $8.99 up to $933.99 for the most premium parts.
What is the average price of a Performance Engine for a 2003 Chevrolet Silverado 2500 HD?
The average price for Performance Engines for the 2003 Chevrolet Silverado 2500 HD is $249.99. 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 Chevrolet Silverado 2500 HD model years?
What are the cheapest Performance Engines for my 2003 Chevrolet Silverado 2500 HD?
The cheapest 2003 Chevrolet Silverado 2500 HD Performance Engines we carry are:
- High Energy 8.684" Long, 3/8" Diameter Pushrod (50289273) – $8.99
- Steel Retainer for GM 6.6L Duramax with 26113/26125 Beehive Springs (50289064) – $10.99
- Ls1 Late Thermostat (11151861) – $37.99
- ENGINE ROCKER ARM (50272786) – $72.99
- 16 Springs (50288686) – $409.99
Does Advance Auto Parts sell Performance Engines for any other 2003 Chevrolet models?
Yes. We stock Performance Engines for 23 other popular 2003 Chevrolet models. Some of the most popular are 2003 Impala Performance Engines, 2003 Silverado 1500 Performance Engines, 2003 Suburban 1500 Performance Engines, 2003 Monte Carlo Performance Engines, and 2003 Suburban 2500 Performance Engines.
What types of Performance Engines do you sell for my 2003 Chevrolet Silverado 2500 HD?
As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 2003 Chevrolet Silverado 2500 HD:
Can I get help with 2003 Chevrolet Silverado 2500 HD Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Performance Engines and more.
What is your return policy for Chevrolet Silverado 2500 HD Performance Engines?
Advance Auto Parts keeps returns simple. For new Chevrolet Silverado 2500 HD Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.