1985 GMC Engine Gaskets & Seals Gaskets & Seals - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Cometic Engine Gasket Sets PRO1005T-4375-027

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.375" Bore, .027" MLS Cylinder Head Gasket

Part Number: CGT-S0063

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4375-051

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.375" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0064

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4560-040

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.560" Bore, .040" MLS Cylinder Head Gasket

Part Number: CGT-S0065

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4630-045

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.630" Bore, .045" MLS Cylinder Head Gasket

Part Number: CGT-S0067

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-4630-051

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.630" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-S0068

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Timing Cover Gaskets CP5345

Chevy Gen-4/5 Big Block V8 Timing Cover Gasket .031" Fiber, 10 Pack

Part Number: CGT-CP5345

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5528

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.280" X 2.170" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5528

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5541

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.350" X 2.250" Port, 18 Degree Heads, 20 Pack

Part Number: CGT-CP5541

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5542

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.240" X 2.100" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5542

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Intake Manifold Gaskets CP5544

Chevy Gen-1 Small Block V8 Intake Manifold Gasket .060" Fiber, 1.240" X 1.970" Port, 23 Degree Heads, 20 Pack

Part Number: CGT-CP5544

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1005T-4320-040

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985

Part Number: CGT-S0001

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1005T-4350-040

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985 402/392

Part Number: CGT-S0002

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1006T-4060-040

Domestic Street Pro Kit, Top End Gasket Kit, GM V6 4.3L 1985-1993

Part Number: CGT-S0004

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1005T-4375-062

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985

Part Number: CGT-S0013

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1005T-4200-040

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985

Part Number: CGT-S0016

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Top-End Gasket Kits PRO1005T-4300-040

Domestic Street Pro Kit, Top End Gasket Kit, GM Big Block V8 1970-1985

Part Number: CGT-S0017

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Engine Gasket Sets PRO1005T-051

Chevrolet Mark-IV Big Block V8 Top End Gasket Kit, 4.375" Bore, .051" MLS Cylinder Head Gasket

Part Number: CGT-PRO1005T-051

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic Street Pro Bottom-End Gasket Kits PRO1006B

Cometic Street Pro Bottom-End Gasket Kits PRO1006B

Gasket, Bottom-End Set, Chevy, 4.3L, V6, Kit

Part Number: CGT-PRO1006B

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5739-060

Head Gasket, MLS, 4.060 in. Bore, 0.060 in. Thickness, Chevy, 3.8, 4.3L, Each

Part Number: CGT-C5739-060

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5739-080

.080" MLS-5 HEAD GASKET

Part Number: CGT-C5739-080

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5739-120

Head Gasket, MLS, 4.060 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5739-120

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5740-051

Head Gasket, MLS, 4.120 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5740-051

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5740-120

Head Gasket, MLS, 4.120 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5740-120

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5741-045

Head Gasket, MLS, 4.155 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5741-045

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Cometic MLS Head Gaskets C5741-051

Head Gasket, MLS, 4.155 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5741-051

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today