1991 Pontiac Firebird Engine Internals
More 1991 Pontiac Firebird Engine Internals
Find your specific 1991 Pontiac Firebird original or aftermarket Engine Internals below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1991 Pontiac Firebird Engine Internals
Dorman – Harmonic Balancer Bolt (Part No.917-139)
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$8.49
This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
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Product Features:
- Direct replacement – this engine harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
ARP Auto Racing – For Use With Chevy Gen Iii/Ls Series Small Block/ Gmpp Lsx Block, Hex Head (Part No.234-5608)
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$369.99
There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting wind age trays and have specially designed standoff studs with serrated lock nuts to position the wind age tray and lock it securely in place. The studs are manufactured from 8740 chrome moly steel, heat treated in-house to 200,000 Pounds Per Square Inch tensile strength, and precision J-form threads rolled after heat treat to create a fastener that has threads 1000 Percent stronger than others.
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Product Features:
- Kit Come Complete With Hardened Parallel Ground Washers And High Quality Nuts
- Manufactured From 8740 Chrome Moly Steel
- Heat Treated To 200,000 Pounds Per Square Inch
- Precision J-Form Threads Rolled After Heat Treat To Create A Fastener That Has Threads 1000 Percent Stronger Than Others
- 200,000 PSI
- Sold As A Kit
ARP Auto Racing – ARP Harmonic Damper Bolt Kit (Part No.234-2503)
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$41.49
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in place, ARP has developed these ultra-strong 200,000 psi bolts that let you exert maximum clamping force. Special features include 1/4′ thick, wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry of stripping the head.
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Product Features:
- 1-1/16″ 12-Point Socket Size(s)
- 8740 Chromoly
- Black Oxide
- Chevy LS1/LS6
- Sold Individually
- M16 x 2.0 Thread Size
- 4.325″ Underhead Length
- 200,000 PSI
Dorman – Harmonic Balancer Bolt (Part No.A2211703503DOR)
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$6.38
Our Engine Harmonic Balancer Bolt locks the harmonic balancer onto the crankshaft. All our Engine Harmonic Balancer Bolts are made of high quality materials for durability.
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Product Features:
- Direct replacement for a proper fit
- No special tools required
- Easy to install
- Harmonic Balancers also available, sold separately
Sealed Power – Premium Piston Ring Set (Part No.R-9903 60)
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$192.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components
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Product Features:
- Application-specific design for perfect fit and correct operation
- Face of top rings coated with latest-generation plasma-moly
- Plasma-moly ring face decreases friction and resists scuffing
- Delivers dependable performance and superior service life
- Recommended for all racing applications (where file fitting the ring end gap delivers maximum power)
Sealed Power – Engine Piston Ring Set (Part No.E-245X)
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$52.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
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Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Premiumium Piston Ring Set (Part No.R-9903 30)
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$192.99
Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components
Product Features:
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Product Features:
- Application-specific design for perfect fit and correct operation
- Face of top rings coated with latest-generation plasma-moly
- Plasma-moly ring face decreases friction and resists scuffing
- Delivers dependable performance and superior service life
- Recommended for all racing applications (where file fitting the ring end gap delivers maximum power)
Sealed Power – Engine Piston Ring Set (Part No.E-251X 30)
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$61.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
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Product Features:
- Unsurpassed quality that you can trust
- Uses leading edge materials
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555CP 10)
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$75.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-2020CP 40)
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$43.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
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Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.4-2500RAA 10)
from
$36.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.6-2020CP 30)
from
$43.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.4020A)
from
$8.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
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Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3045A)
from
$10.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
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Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3045A 10)
from
$8.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Mahle-Clevite – Mahle-Clevite Rod Bearing (Part No.A2031204564MAH)
from
$8.44
Clevite is the number one name in replacement engine bearings, delivering on the track and in machine shops around the country. With track proven performance in engines with thousands of horsepower, it is obvious Clevite has the strength to handle any light vehicle application. As more and more OE manufacturers shift to aluminum bearings in OE engines, Clevite has introduced a new line of engine bearings designed to be the highest quality replacement bearings in the industry. Clevite BiMetal engine bearings carry on the tradition and reputation that Clevite has built throughout the course of time. Clevite BiMetal engine bearings feature a 100% lead free aluminum silicon bi-metal material, which includes 60% more silicon than the leading competitor’s bi-metal material for better conditioning of journal surfaces. These BiMetal bearings also offer greater wear resistance than the leading competitor’s bi-metal material, as well as greater seizure resistance. Clevite BiMetal bearings feature 100% bored ID’s for precision and surface characteristics and where appropriate – straight shell main bearings utilizing an umbrella groove that allows for superior oil control and improved pressure.
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Product Features:
- Original Equipment Manufacturer
- Maximum Load-Bearing Capacity
- Fatigue-Resistant, adaptable
- Resistant to Wear and Corrosion
- Advanced Surface Coatings
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40464)
from
$37.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
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Product Features:
- Application specific design to ensure a perfect fit
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Driveworks – Oil Seal (Part No.S-4359V)
from
$14.49
Value-priced seal meets all cataloged application requirements.
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Product Features:
- Brand may vary by location
Driveworks – Crankshaft Seal (Part No.S-710162)
Mahle – Crankshaft Seal (Part No.A8060202280MAH)
from
$40.03
Crankshaft Seal
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4040M 30)
from
$170.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.6689MA)
from
$59.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4040M 20)
from
$170.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4281M)
from
$123.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Felpro – Engine Crankshaft Repair Sleeve (Part No.16258)
from
$16.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
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Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Validated for fit, form, and function
Felpro – Engine Crankshaft Repair Sleeve (Part No.16228)
from
$10.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Engine$aver Hardware cost-saving application
- Repairs worn sealing surfaces to assure a leak free repair
- Meets or exceeds all original equipment specifications
- Engineered and manufactured specifically for repair applications
- Unsurpassed quality you can trust
- Validated for fit, form, and function
- Validated for fit, form, and function
Popular 1991 Pontiac Firebird Engine Internals Categories
1991 Pontiac Firebird Engine Internals
Maybe you’re in the middle of a full rebuild of that 1991 Pontiac Firebird. Maybe you just need a couple of Engine Internals. Either way, Advance Auto Parts has 89 different Engine Internals in our inventory ranging from $3.99 to $202.99. That means you can find the exact parts or products you need to keep that 1991 Pontiac Firebird running smoothly.
Engine Internals are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Pontiac Firebird. Sealed Power, National, and Mr. Gasket are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Engine Internals for your 1991 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 409 reviews in this category, some of the top rated parts include Engine Connecting Rod Bearing Set with 4.0 stars and Engine Crankshaft Seal Kit with 4.7 stars.
So if you’re in the market for aftermarket Engine Internals to keep your 1991 Pontiac Firebird rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Engine Internals Brands To Make Your 1991 Pontiac Firebird Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Pontiac Firebird demands trusted brand parts and products to keep it running. Many trusted brands of Engine Internals make up Advance Auto Parts’ inventory, and all are ready to help make your Firebird the best it can be. Be sure to browse some of our top Engine Internals brands and parts.
Popular National Engine Internals
We carry National parts in our stock across Crankshaft Seals categories, plus more. For a 1991 Pontiac Firebird, our most popular National Engine Internals include:
FAQs for 1991 Pontiac Firebird Engine Internals
What are the most purchased Engine Internals for the 1991 Pontiac Firebird?
Out of 89 Engine Internals for the 1991 Pontiac Firebird, the most popular in our inventory are:
What are the top-rated 1991 Pontiac Firebird Engine Internals?
Top-rated Engine Internals for your 1991 Pontiac Firebird based on customer reviews/ratings are:
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$4.79
(2)
Engine Connecting Rod Bearing
“I needed these parts right away & Advance Auto had them in stock. They were exactly what I needed, they worked great.”
