1981 CHEVROLET CORVETTE Engines & Components

Pioneer Performance Freeze Plugs PE-100-R

Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 51 )

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Fel-Pro Oil Pump Shaft Guides 72665

Oil Pump Driveshaft Locking Sleeves, Nylon, Buick, Chevrolet, Cadillac, GMC, Oldsmobile, Pontiac, Checker, Studebaker, V6/V8, Each

Part Number: FEL-72665

5.0 out of 5 stars ( 1 )

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COMP Cams Oval Track Camshafts 12-651-20

COMP Cams Oval Track Camshafts 12-651-20

Camshaft, Mechanical Flat Tappet, Duration 278 Int./284 Exh., Lift 0.531 Int./0.525 Exh., Lobe Separation 108, Chevy, SBC, 262-400, Each

Part Number: CCA-12-651-20

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40451.060

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

Part Number: MAH-40451060

5.0 out of 5 stars ( 1 )

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King SI-Series Rod Bearings CR 807SI 050

Rod Bearings, .050 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807SI050

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Hastings Claimer Series Performance Piston Ring Sets CM5532040

Piston Rings, Claimer Series Performance Ring Sets, 0.040 in. Oversize, 4.039 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in., L8, V8, Set of 8

Part Number: HSN-CM5532040

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Melling Valve Springs VS-739

Valve Springs, Single, 1.253 in. Diameter, 116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each

Part Number: MEL-VS-739

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Trans-Dapt Performance Oil Filter Bypass Adapter Base Gaskets 1035

Base Gasket for Bypass Adapter #1017 and #1018

Part Number: TRD-1035

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Hastings Piston Ring Sets 139020

Piston Rings, Phosphate Coated, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139020

5.0 out of 5 stars ( 1 )

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Hastings Premium Ductile Ring Sets 2M5523065

Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5523065

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hastings Piston Ring Sets 139100

Piston Rings, Phosphate Coated, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139100

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523020

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

Part Number: HSN-2M5523020

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40451

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40451

Not Yet Reviewed

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Dorman Oil Pump Bushings 90460

Bushing, Oil Pump Nylon Shaft Guide, Chevy, Each

Part Number: RNB-90460

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Hastings Premium Ductile Ring Sets 2M5523035

Piston Rings, Premium Ductile Ring Sets, 0.035 in. Oversize, 4.035 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5523035

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Sealed Power File-Fit Plasma-Moly Piston Rings R977135

5 out of 5 stars ( 1 )

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ACL Direct Replacement Rod Bearing Sets 8B663P-10

Rod Bearings, Duraglide, P-Series, Tri-Metal, Copper/Lead Alloy, 0.01 in./0.25 mm Undersize Crankshaft, Chevy, 4.3L, 5.0L, 5.7L, 6.2L, 6.6L, Set of 8

Part Number: PEB-8B663P-10

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ACL Direct Replacement Rod Bearing Sets 8B663P-20

Rod Bearings, Duraglide, P-Series, Tri-Metal, Copper/Lead Alloy, 0.02 in./0.50 mm Undersize Crankshaft, Chevy, 4.3L, 5.0L, 5.7L, 6.2L, 6.6L, Set of 8

Part Number: PEB-8B663P-20

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Dorman Smog Pump Pulleys 300-913

Pulley, Smog Pump, Steel, Black, 1-Groove, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RNB-300-913

4.75 out of 5 stars ( 4 )

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Dorman Valve Cover Grommets 42321

Valve Cover Grommet, PCV, 0.655 in. Thick, Oil-Resistant Rubber, Black, Buick, Chevy, Oldsmobile, Each

Part Number: RNB-42321

3.0 out of 5 stars ( 2 )

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PRW Pro Series Billet Aluminum Rocker Arms 6532712

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.6 x 7/16"

Part Number: PQX-6532712

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Enginetech Piston Ring Sets R40058-080

Engine Piston Ring Set 53-94 AMC/BUI/CAD/CHV/CHR/DOD/FRD/GM/GMC/JEP/LIN/MER/OLD/PLY/PON 4.3L/4.7L/4.9L/5.0L/5.3L/5.7L/5.8L/5.9L/6.0L/6.4L/6.6L

Part Number: EGN-R40058080

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

ACL Direct Replacement Rod Bearing Sets 8B663P-30

Rod Bearings, Duraglide, P-Series, Tri-Metal, Copper/Lead Alloy, 0.03 in./0.75 mm Undersize Crankshaft, Chevy, 4.3L, 5.0L, 5.7L, 6.2L, 6.6L, Set of 8

Part Number: PEB-8B663P-30

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COMP Cams Oval Track Camshafts 12-684-5

Camshaft, Mechanical Flat Tappet, Advertised Duration 270/274, Lift .483/.483, Chevy, Small Block, Each

Part Number: CCA-12-684-5

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

Pioneer Street Performance Balancers 872001

Harmonic Balancer, Street Performance, Internal Balance, Nodular Iron, Black, Chevy, Small Block, 4.3L V6

Part Number: PIO-872001

4.0 out of 5 stars ( 6 )

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Hastings Premium Ductile Ring Sets 2M5523

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

Part Number: HSN-2M5523

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today