CHEVROLET K20 Engine Gaskets & Seals

Gaskets, Intake, Composite, Rectangle Raised, 2.50 in. x 1.75 in. Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: MRG-121

3.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.310 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Rear Main Seal, 1-Piece, Rubber, Chevy, Small Block, Each

Part Number: FEL-BS40520

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025

Valve Cover Gasket, 0.188 in. Thick, Rubber, Chevy, Small Block, Each

Part Number: CGT-C5973

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.310 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-060

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Head Gasket, MLS, 4.165 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-045

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.200 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Rear Main Seals, One-piece, PTFE, AM General, Avanti, Buick, Cadillac, Chevrolet, Excalibur, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: FEL-BS40626

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.165 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .075 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-075

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Head Gasket, Graphite, 4.100 in. Bore, 0.040 in. Thickness, Chevrolet, Each

Part Number: MAH-5746

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Head Gaskets, Laminate, 4.125 in. Bore, .039 in. Compressed Thickness, Chevy, Small Block, Pair

Part Number: EDL-7310

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/15/2025

Valve Cover Gasket, 0.188 in. Thick, Rubber, Steel, Chevy, Big Block, Each

Part Number: CGT-C5975

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/15/2025

Water Pump Gaskets, AM General, Avanti, Bizzarrini, Buick, Cadillac, Checker, Chevy, Excalibur, GMC, Gordon-Keeble, ISO, Isuzu, Oldsmobile, Pair

Part Number: FEL-ES73030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, Titan, Copper, 4.630 in. Bore, .050 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T136250

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Head Gasket, PermaTorque, Chevy, Small Block, 400, Each

Part Number: FEL-8364PT

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, Multi-Layer Steel, 4.320 in. Bore, 0.030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5816-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, Multi-layer Stainless Steel, 4.630 in. Bore, 0.095 in. Compressed Thickness, Chevrolet, Big Block, Each

Part Number: CGT-C5331-095

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Head Gasket, MLS, 4.375 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-027

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

Head Gasket, Multi-Layer Steel, 4.320 in. Bore, 0.080 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5816-080

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Engine Gasket Sets, Full, Chevy, 5.0L, Kit

Part Number: FEL-260-1023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.375 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5329-051

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/15/2025

Head Gasket, MLS, 4.540 in. Bore, .080 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-080

Not Yet Reviewed

Estimated Ship Date: Monday 9/15/2025

• Free Shipping

Gaskets, Manifold, Intake, Composite, 2.54 in. x 1.82 in. Rectangle Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: EDL-7202

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/15/2025