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1981 CHEVROLET K20 Engines & Components

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Results 401 - 425 of 1045

King SI-Series Rod Bearings CR 807SISTDX

King SI-Series Rod Bearings CR 807SISTDX

King SI-Series Rod Bearings CR 807SISTDX

Rod Bearings, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SISTDX

3.4 out of 5 stars ( 5 )

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Hastings Premium Ductile Ring Sets 2M5523060

Hastings Premium Ductile Ring Sets 2M5523060

Hastings Premium Ductile Ring Sets 2M5523060

Piston Rings, Premium Ductile Ring Sets, 0.060 in. Oversize, 4.059 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523060

5.0 out of 5 stars ( 1 )

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Mr. Gasket Self-Locking Oil Pan Bolt Kits 6085MRG

Mr. Gasket Self-Locking Oil Pan Bolt Kits 6085MRG

Mr. Gasket Self-Locking Oil Pan Bolt Kits 6085MRG

Oil Pan Bolts, Zinc Plated Steel, Hex Head, Chevy, Oldsmobile, Small Block/V8, Kit

Part Number: MRG-6085MRG

5.0 out of 5 stars ( 2 )

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Earl's Performance Cylinder Head Bolt Kits HBS-003ERL

Earl's Performance Cylinder Head Bolt Kits HBS-003ERL

Earl's Performance Cylinder Head Bolt Kits HBS-003ERL

Cylinder Head Fasteners, Cylinder Head Bolt Kits, Hex Head, Chromoly, Black Oxide, 7/16-14 in. Thread Size, Washers, Chevrolet, Small Block, Kit

Part Number: EAR-HBS-003ERL

5.0 out of 5 stars ( 1 )

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King SI-Series Rod Bearings CR 807SI 020

King SI-Series Rod Bearings CR 807SI 020

King SI-Series Rod Bearings CR 807SI 020

Rod Bearings, .020 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI020

4.0 out of 5 stars ( 5 )

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Cloyes Heavy-Duty Timing Sets C-3023SP

Made in the USA Cloyes Heavy-Duty Timing Sets C-3023SP

Cloyes Heavy-Duty Timing Sets C-3023SP

Timing Chain and Gear Set, Heavy Duty, Double Roller, Iron/Billet Steel Sprockets, Chevy, V6/V8, Set

Part Number: CLO-C3023SP

5.0 out of 5 stars ( 1 )

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Sealed Power Main Bearing Sets 4663M 20

Sealed Power Main Bearing Sets 4663M 20

Sealed Power Main Bearing Sets 4663M 20

Main Bearings, .020 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M20

5.0 out of 5 stars ( 1 )

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Cloyes Race Billet True Roller Timing Sets 9-3600TX9-5

Made in the USA Cloyes Race Billet True Roller Timing Sets 9-3600TX9-5

Cloyes Race Billet True Roller Timing Sets 9-3600TX9-5

Timing Set; Original Billet True Roller Timing Set; 0.005 in Reduced Center Distance; Incl. Cam Sprocket; 9 Ke

Part Number: CLO-9-3600TX9-5

5.0 out of 5 stars ( 1 )

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Mr. Gasket Oil Pan Studs 6315

Mr. Gasket Oil Pan Studs 6315

Mr. Gasket Oil Pan Studs 6315

Oil Pan Studs, Small Block, Chevy, Oldsmobile, V8, Kit

Part Number: MRG-6315

4.8 out of 5 stars ( 5 )

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Dorman Oil Pans 264-103

Dorman Oil Pans 264-103

Dorman Oil Pans 264-103

Oil Pan, OEM Type, Steel, Black, GM/Chevy, 5.0/5.7L, Each

Part Number: RNB-264-103

5.0 out of 5 stars ( 4 )

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King SI-Series Main Bearings MB 557SI 001

King SI-Series Main Bearings MB 557SI 001

King SI-Series Main Bearings MB 557SI 001

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI001

5.0 out of 5 stars ( 2 )

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PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350765

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350765

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350765

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.65 Split Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350765

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Manley Timing Chain Sets 73163

Manley Timing Chain Sets 73163

Manley Timing Chain Sets 73163

Timing Chain and Gears, Double Roller, Steel Sprockets, Chevy, Small Block, Kit

Part Number: MAN-73163

4.0 out of 5 stars ( 4 )

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Summit Racing™ Stock Replacement Oil Pans SUM-G3532

Summit Racing™ Stock Replacement Oil Pans SUM-G3532

Summit Racing™ Stock Replacement Oil Pans SUM-G3532

Oil Pan, Steel, Gold Zinc, 5 qt., Chevy, Small Block, Each

Part Number: SUM-G3532

3.43 out of 5 stars ( 7 )

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Proform Balancers 66511

Proform Balancers 66511

Proform Balancers 66511

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, 8.0 in. Dia., Avanti, GM, Chevy, Small Block, Each

Part Number: PRO-66511

3.33 out of 5 stars ( 3 )

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Dayco High Performance V-Belts 15440

Dayco High Performance V-Belts 15440

Dayco High Performance V-Belts 15440

Belt, High Performance, V-Belt, .440 in. Width, 44.00 in. Length, Each

Part Number: DAC-15440

5.0 out of 5 stars ( 3 )

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Mr. Gasket Timing Tabs 4600

Mr. Gasket Timing Tabs 4600

Mr. Gasket Timing Tabs 4600

Timing Tab, Chrome, Small Block, Chevy, 7 in Damper, Each

Part Number: MRG-4600

4.33 out of 5 stars ( 9 )

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Chevrolet Performance Valve Cover Grommets 3989350

Chevrolet Performance Valve Cover Grommets 3989350

Chevrolet Performance Valve Cover Grommets 3989350

Grommet, PCV, Valve Cover, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: NAL-3989350

4.88 out of 5 stars ( 33 )

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Hastings Piston Ring Sets 2M139080

Hastings Piston Ring Sets 2M139080

Hastings Piston Ring Sets 2M139080

Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139080

5.0 out of 5 stars ( 1 )

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Speed-Pro Hypereutectic Pistons H618CP40

Speed-Pro Hypereutectic Pistons H618CP40

Speed-Pro Hypereutectic Pistons H618CP40

Pistons, Hypereutectic, Dome, 4.040 in. Bore, Chevy, Set of 8

Part Number: SLP-H618CP40

Not Yet Reviewed

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Sealed Power Cast Piston Rings E-251X 60

Made in the USA Sealed Power Cast Piston Rings E-251X 60

Sealed Power Cast Piston Rings E-251X 60

Piston Rings, Cast Iron, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X60

5.0 out of 5 stars ( 3 )

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Standard Motor PCV Valves V180

Standard Motor PCV Valves V180

Standard Motor PCV Valves V180

PCV Valve, OEM Replacement, Buick, Cadillac, GMC, Chevy, Oldsmobile, Pontiac, Each

Part Number: SMP-V180

5.0 out of 5 stars ( 1 )

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King XP-Series Coated Main Bearings MB 557XPC 020

King XP-Series Coated Main Bearings MB 557XPC 020

King XP-Series Coated Main Bearings MB 557XPC 020

Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote

Part Number: KGB-MB557XPC020

5.0 out of 5 stars ( 1 )

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Mr. Gasket Freeze Plug Kits 6481

Mr. Gasket Freeze Plug Kits 6481

Mr. Gasket Freeze Plug Kits 6481

Freeze Plug, Brass, Small Block, Chevy, Kit

Part Number: MRG-6481

Not Yet Reviewed

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Hamburger's Performance Oil Filter Bypass Adapters 3321

Made in the USA Hamburger's Performance Oil Filter Bypass Adapters 3321

Hamburger's Performance Oil Filter Bypass Adapters 3321

Adapter, Oil Filter Bypass, Spin-On, Aluminum, Clear Anodized, 13/16-16 Thread, -12 AN ORB Inlet/Outlet, Each

Part Number: HAM-3321

4.67 out of 5 stars ( 3 )

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