2005 Cadillac STS Performance Engines
Keep Your 2005 Cadillac STS 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 2005 Cadillac STS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Rocker Arms and Performance Engine Valve Lifters. 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 2005 Cadillac STS Performance Engine at Advance Auto Parts is around $90.49, with a range that starts at $15.99 and goes up to $399.99. With 8 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud, Ultra Pro Magnum Self-Aligning Rocker Arm with 1.52 Ratio for SBC/V6 with 3/8" Stud, and Ultra Pro Magnum Self-Aligning Rocker Arm Set with 1.52 Ratio for V6 with 3/8" Stud start at just $50.99 and offer a great balance of form and function.
Find Your Specific 2005 Cadillac STS Performance Engines
Looking for the perfect Performance Engine for your 2005 Cadillac STS? 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 Cadillac STS. Whether you’re driving a 2005 model or another popular model year like
2006,
2007,
2008,
2009, and
2010, 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.
Popular 2005 Cadillac STS Performance Engines Categories
Most Popular Performance Engine Rocker Arms for 2005 Cadillac STSs
Enhance your 2005 Cadillac STS with one of the 7 Performance Engine Rocker Arms we have in stock, starting at just $50.99.
Competition Cams – Ultra Pro Magnum Self-Aligning Rocker Arm Set with 1.52 Ratio for V6 with 3/8" Stud (Part No.1617-12)
from
$399.99
These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit ’88+ Chevrolet V6 with a 3/8″ diameter stud.
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1604-1)
from
$51.99
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 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 7/16" Stud (Part No.1605-1)
from
$51.99
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 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.
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Competition Cams – Ultra Pro Magnum Self-Aligning Rocker Arm with 1.52 Ratio for SBC/V6 with 3/8" Stud (Part No.1617-1)
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 1.52 ratio, this rocker fits ’88+ Chevrolet Small Block and V6 with a 3/8″ diameter stud.
Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud (Part No.1602-1)
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 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.
Product Features:
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Competition Cams – Ultra Pro Magnum Self-Aligning Rocker Arm with 1.6 Ratio for SBC/V6 with 3/8" Stud (Part No.1618-1)
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 1.6 ratio, this rocker fits ’88+ Chevrolet Small Block and V6 with a 3/8″ diameter stud.
Product Features:
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Competition Cams – Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 3/8" Stud (Part No.1601-1)
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 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.
Product Features:
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Best-Selling 2005 Cadillac STS Performance Engine Valve Lifter
Upgrade your STS with our best-selling Performance Engine Valve Lifter.
Competition Cams – Performance Series Solid Lifter for Cadillac, Chevrolet, Oldsmobile and Pontiac (Part No.2900-1)
from
$15.99
Performance Series Solid Lifter for Cadillac, Chevrolet, Oldsmobile and Pontiac
FAQs for 2005 Cadillac STS Performance Engines
What are the best-selling Performance Engines for 2005 Cadillac STSs?
Out of 8 Performance Engines that fit 2005 Cadillac STSs, the following parts are the top sellers:
- Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud (50272895) – $50.99
- Ultra Pro Magnum Self-Aligning Rocker Arm with 1.52 Ratio for SBC/V6 with 3/8" Stud (50272847) – $50.99
- Ultra Pro Magnum Self-Aligning Rocker Arm Set with 1.52 Ratio for V6 with 3/8" Stud (50272917) – $399.99
What’s the price range for 2005 Cadillac STS Performance Engines?
The prices of Performance Engines for the 2005 Cadillac STS range from $15.99 up to $399.99 for the most premium parts.
What is the average price of a Performance Engine for a 2005 Cadillac STS?
The average price for Performance Engines for the 2005 Cadillac STS is $90.49. 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 Cadillac STS model years?
What are the cheapest Performance Engines for my 2005 Cadillac STS?
The cheapest 2005 Cadillac STS Performance Engines we carry are:
- Performance Series Solid Lifter for Cadillac, Chevrolet, Oldsmobile and Pontiac (50287860) – $15.99
- Ultra Pro Magnum Self-Aligning Rocker Arm with 1.52 Ratio for SBC/V6 with 3/8" Stud (50272847) – $50.99
- Ultra Pro Magnum Rocker Arm with 1.6 Ratio for Chevrolet V6 and SBC with 3/8" Stud (50272895) – $50.99
- Ultra Pro Magnum Self-Aligning Rocker Arm with 1.6 Ratio for SBC/V6 with 3/8" Stud (50272940) – $50.99
- Ultra Pro Magnum Rocker Arm with 1.52 Ratio for Chevrolet V6 and SBC with 3/8" Stud (50272821) – $50.99
Does Advance Auto Parts sell Performance Engines for any other 2005 Cadillac models?
Yes. We stock Performance Engines for 4 other popular 2005 Cadillac models. Some of the most popular are 2005 Escalade Performance Engines, 2005 Escalade ESV Performance Engines, 2005 Escalade EXT Performance Engines, 2005 CTS Performance Engines, and 2005 SRX Performance Engines.
What types of Performance Engines do you sell for my 2005 Cadillac STS?
As of 6/2/26, these are some of the most in-demand types of Performance Engines for a 2005 Cadillac STS:
Can I get help with 2005 Cadillac STS Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Performance Engines and more.
What is your return policy for Cadillac STS Performance Engines?
Advance Auto Parts keeps returns simple. For new Cadillac STS Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.