1981 Chevrolet K20 Remanufactured Engines
Your 1981 Chevrolet K20 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Remanufactured Engines you desperately need.
We currently carry 16 Remanufactured Engines to choose from for your 1981 Chevrolet K20, and our inventory prices range from as little as $1,919.99 up to $5,984.99.
On top of low prices, Advance Auto Parts offers 1 different trusted brands of Remanufactured Engines for the 1981 Chevrolet K20. We only sell parts from trusted brands like Spartan so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 292 reviews on our Remanufactured Engines for the 1981 Chevrolet K20 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Remanufactured Engines stock in-person!
Remanufactured Engines for Your 1981 Chevrolet K20
Spartan – Engine Long Block; Chev 350 64-85 H.P. Mid-Drss (Part No.HP32M)
from
$4158.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Spartan – Engine Long Block; Chev 350 4 BLT 325HP Base (Part No.HP291P)
from
$3114.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Spartan – Engine Complete Assembly; Chevy 350CI EFI 350HP Drop-In (Part No.HP32C-EFI)
from
$5984.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
Product Features:
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Product Features:
- No core engine sold outright strapped & shipped on pallet cover in HD cardboard
- Product might not be available in all states due to local laws.
Spartan – Engine Complete Assembly; CHEV 350 4BLT 325HP CMPLT (Part No.HP291PC)
from
$4769.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Spartan – Engine Complete Assembly; CHEV 350 PERF COMP/DYNO (Part No.HP32C)
from
$4760.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Spartan – Engine Complete Assembly; Chev 350 4-Bolt 345HP Drop-In Eng (Part No.HP98C)
from
$4688.99
Chevrolet 350 4-Bolt 345HP Drop-In Engine, Hyd Roller, V/C, T/C, Blk Oil Pan, Intake, Dist, Bal, Flex Plate, W/P, Carb, Plugs Wires, Dyno. 1pc Seal, Ext Balance on Rear of Crank
Product Features:
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Product Features:
- No core engine sold outright strapped & shipped on pallet cover in HD cardboard
Spartan – Engine Complete Assembly; Chev 350 Vortec Drop-In Engine (Part No.HP99C)
from
$4309.99
The perfect replacement engine without breaking the bank for your worn out SBC. The Vortec engines had better flowing Cylinder Heads matched with a Hyd. Roller Camshaft that make for a reliable combination with a little extra Go.
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Spartan – Engine Long Block; Chev 350 4-Bolt 345HP Mid-Dress (Part No.HP98M)
from
$3953.99
High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
See More
Spartan – Engine Long Block; Chev 350 4-Bolt 345HP Base (Part No.HP98)
from
$3719.99
Chevrolet 350 4-Bolt 345HP/ 400Tq, Hyd Roller, V/C, T/C, Blk Oil Pan
Product Features:
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Product Features:
- No core engine sold outright strapped & shipped on wooden pallet crate
- Product might not be available in all states due to local laws.
Spartan – Engine Long Block; Chev 350 4 BLT 325HP Mid-Drss (Part No.HP291PM)
from
$3699.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
See More
Spartan – Engine Long Block; Chev 350 64-85 H.P. Base (Part No.HP32)
from
$3518.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
See More
Spartan – Engine Long Block; Chev 292 75-85 Engine (Part No.DC81)
from
$2654.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.
Product Features:
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Product Features:
- Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
- Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
- Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
- Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
Spartan – Engine Long Block; Chev 350 79-85 Engine (Part No.VC111P)
from
$2209.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.
Product Features:
See More
Product Features:
- Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
- Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
- Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
- Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
Spartan – Engine Long Block; Chev 350 79-85 Engine (Part No.VC121P)
from
$2169.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.
Product Features:
See More
Product Features:
- Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
- Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
- Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
- Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
Spartan – Engine Long Block; Chev 350 79-85 4-Bolt Engine (Part No.VC12)
from
$1988.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.
Product Features:
See More
Product Features:
- Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
- Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
- Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
- Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
Spartan – Engine Long Block; Chev 350 79-85 Engine (Part No.VC11)
from
$1919.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.
Product Features:
See More
Product Features:
- Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
- Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
- Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
- Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
FAQs for 1981 Chevrolet K20 Remanufactured Engines
What are the most popular Remanufactured Engines for the 1981 Chevrolet K20?
With 1 brands you can trust, our most popular Remanufactured Engines for the 1981 Chevrolet K20 parts are:
from
$4309.99
This product is not rated
Engine Complete Assembly; Chev 350 Vortec Drop-In Engine
Remanufactured Engines
from
$4760.99
This product is not rated
Engine Complete Assembly; CHEV 350 PERF COMP/DYNO
Remanufactured Engines
