1981 CHEVROLET K20 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

PRW Power Plus Nitro-Carb Steel Rocker Arms 6028315

ROCKER ARMS, STAMPED STEEL, CHEV 265-400, 1955-86, 1.5 x 3/8", Long Slot, Nitro-Carburized

Part Number: PQX-6028315

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Premium Ductile Ring Sets 2M5538075

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5538075

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Premium Ductile Ring Sets 2M5538S060

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5538S060

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Sealed Power MA Series Main Bearings 4124MA 40

Main Bearing Set;

Part Number: SLP-4124MA40

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350316

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350316

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Summit Racing™ Diecast Aluminum Oil Pans SUM-G3527CPR

Oil Pan, Cast Aluminum, Finned, Copper Plated, 5-Quart, Rear Sump, Passenger Dipstick, Chevy, Small Block, Each

Part Number: SUM-G3527CPR

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

ATK High Performance GM 350 330 HP Stage 2 Long Block Crate Engines HP291PM

Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each

Part Number: HPE-HP291PM

3.4 out of 5 stars ( 10 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Clevite P-Series Main Bearings MS-617P-40

MAIN BEARING SET

Part Number: CLE-MS617P40

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Claimer Series Performance Piston Ring Sets CM5531040

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-CM5531040

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Sealed Power Performance Piston Ring Sets E-217K 30

Sealed Power Performance Piston Ring Sets E-217K 30

Piston Rings, Moly, 3.905 in. Bore, 3/32 in., 3/32 in., 3/16 in. Thickness, L6, Set

Part Number: SLP-E-217K30

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Claimer Series Performance Piston Ring Sets CM5531030

Piston Rings, Claimer Series Performance Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-CM5531030

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Engine Works Cam Bearing Sets SH-290S

Cam Bearings, Steel Backed Babbitt, Chevy, Small Block, Kit

Part Number: EW1-SH-290S

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

MAHLE Original Pistons 224-3547WR.060

Piston With Rings - GM 5.7L (350) V8 FLT CT (060) W/PR MOLY

Part Number: MAH-2243547WR060

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Melling Timing Chain and Gear Sets 48572T

PERFORMANCE TIMING SET

Part Number: MEL-48572T

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

PRW Power Valve Cover Fasteners 4135040

Valve Cover Bolt Kit

Part Number: PQX-4135040

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

PRW Power Valve Cover Fasteners 4135047

Valve Cover Bolt Kit

Part Number: PQX-4135047

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556055

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556055

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556070

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556070

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556S035

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556S035

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556S055

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556S055

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Piston Ring Sets 668020

Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-668020

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Piston Ring Sets 668060

Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-668060

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Hastings Piston Ring Sets 668080

Engine Piston Ring Set, 6-Cyl Ring Set; Phosphate

Part Number: HSN-668080

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Melling Timing Chain Sets 40520

SPEED SET

Part Number: MEL-40520

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Melling M-Select Class 1 Camshafts 22115

Camshaft, Hydraulic Flat Tappet, 283/286 Advertised Duration, .435/.455 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22115

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today