1981 Pontiac Firebird Engine Internals
More 1981 Pontiac Firebird Engine Internals
Find your specific 1981 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 1981 Pontiac Firebird Engine Internals
Sealed Power – Engine Piston Ring Set (Part No.E-251X 60)
from
$60.99
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 Piston Ring Set (Part No.E-377K)
from
$92.99
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:
- Face of top rings coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-245X 40)
from
$48.99
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:
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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
Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)
from
$1.29
This engine connecting rod nut 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.
Product Features:
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Product Features:
- Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut 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
Sealed Power – Engine Piston (Part No.WH423DCP 60)
from
$19.49
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:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston (Part No.WH423DCP 20)
from
$17.49
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:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston (Part No.WH345DCP 40)
from
$17.79
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:
- Hypereutectic
- Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
- Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
- Piston skirts protected by next-gen DUROSHIELD« coating.
- TAC┐ ring groove geometry
- Weight matched to +/- 2 grams.
Sealed Power – Engine Piston (Part No.W454NP)
from
$23.99
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:
- Cast with FM132 Eutectic proprietary alloy
- Performance & dependability of original equipment pistons
- High quality aluminum
- Utilizes ISO & QS certified manufacturing
- Meets or exceeds OEM specifications
ARP Auto Racing – For Use With Chevy Small Block, 5/8" Socket Size, 3/4" – 16 Thread Size (Part No.134-2501)
from
$36.49
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.
Product Features:
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Product Features:
- Ultra Strong Bolt Rated At 200,000 PSI
- 1/4 Inch Thick, Wide Area Washer And An Extra Tall 12 Point Head That Accepts A Deep Socket And Eliminates The Worry Of Stripping The Head
- Delivers ARP Quality And Reliability
- Made In USA
- 12-Point Head
- Sold Individually
- 200,000 PSI
- 2.470″ Underhead Length
ARP Auto Racing – ARP Harmonic Damper Bolt Kit (Part No.234-2503)
from
$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.
Product Features:
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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
ARP Auto Racing – For Use With Chevy Small Block, 13/16" Socket Size, 2.470" Under Head L (Part No.234-2501)
from
$34.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 Pounds Per Square Inch bolts that let you exert maximum clamping force. Special features comes with 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.
Product Features:
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Product Features:
- Ultra Strong Bolt Rated At 200,000 Pounds Per Square Inch
- 1/4 Inch Thick, Wide Area Washer And An Extra Tall 12 Point Head That Accepts A Deep Socket And Eliminates The Worry Of Stripping The Head
- Delivers ARP Quality And Reliability
- Made In USA
- Sold Individually
- 7/16″-20 RH Thread Size
- 2.47″ Underhead Length
- 200,000 PSI
Dorman – Harmonic Balancer Bolt (Part No.917-139)
from
$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.
Product Features:
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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
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.6689MA 10)
from
$56.99
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
- 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.7298MA 20)
from
$118.99
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.4663M 30)
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:
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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.4040M 10)
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 – Connecting Rod Bearing Set (Part No.8-7100CH 20)
from
$76.99
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:
- Steel-backed Babbitt lining material
- For use in automotive and high-performance applications
- Babbitt designed to deform under extreme loads without damaging other engine parts
- Meets unique demands of performance engines
- Delivers dependable performance and superior service life
- Application-specific design for perfect fit and correct operation
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-1555CPA 20)
from
$66.99
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 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.8-1555CPA)
from
$69.99
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 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.8-2555A 10)
from
$157.99
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
Felpro – Engine Crankshaft Seal Kit (Part No.BS 40578)
from
$21.49
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
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
National – Multi Purpose Seal (Part No.5274A)
from
$19.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
National – Multi Purpose Seal (Part No.5273)
from
$33.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
Sealed Power – Engine Connecting Rod Bearing (Part No.4020A .50MM)
from
$4.99
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.
See More
Sealed Power – Engine Connecting Rod Bearing (Part No.3760A 10)
from
$6.49
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:
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
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 10)
from
$5.29
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:
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
Sealed Power – Engine Connecting Rod Bearing (Part No.1555CPA)
from
$14.49
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 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
Popular 1981 Pontiac Firebird Engine Internals Categories
1981 Pontiac Firebird Engine Internals
Maybe you’re in the middle of a full rebuild of that 1981 Pontiac Firebird. Maybe you just need a couple of Engine Internals. Either way, Advance Auto Parts has 86 different Engine Internals in our inventory ranging from $1.29 to $369.99. That means you can find the exact parts or products you need to keep that 1981 Pontiac Firebird running smoothly.
Engine Internals are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1981 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 1981 Pontiac Firebird, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 96 reviews in this category, some of the top rated parts include Engine Connecting Rod Bearing Set with 4.0 stars and Engine Crankshaft Main Bearing Set with 5.0 stars.
So if you’re in the market for aftermarket Engine Internals to keep your 1981 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 1981 Pontiac Firebird Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 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 Sealed Power Engine Internals
We carry Sealed Power parts in our stock across Standard Rod Bearing Sets and Standard Individual Rod Bearings categories, plus more. For a 1981 Pontiac Firebird, our most popular Sealed Power Engine Internals include:
Top 1981 Pontiac Firebird Engine Internals from National
National products are another trusted brand when it comes to Engine Internals for your 1981 Pontiac Firebird. Popular National parts include:
FAQs for 1981 Pontiac Firebird Engine Internals
What are the most purchased Engine Internals for the 1981 Pontiac Firebird?
Out of 86 Engine Internals for the 1981 Pontiac Firebird, the most popular in our inventory are:
What are the top-rated 1981 Pontiac Firebird Engine Internals?
Top-rated Engine Internals for your 1981 Pontiac Firebird based on customer reviews/ratings are:
