1990 Chevrolet Performance Gaskets & Seals

Head Gasket, Composite, 4.100 in. Bore, .028 in. Compressed Thickness, Chevrolet, Small Block Gen I, Each

Part Number: NAL-10105117

4.36 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/9/2026

Head Gasket, Composition, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, 283-350, Each

Part Number: NAL-12557236

3.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

Valve Cover Gasket, Rubber, Avanti, Hummer, Excalibur, GM, with Chevy, Small Block, Each

Part Number: NAL-10046089

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

Rear Main Seal, 1-piece Style, Chevy, Each

Part Number: NAL-10088158

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026