1978 PONTIAC FIREBIRD Gaskets & Seals

Gaskets, Conversion Set, Chevy, 350, Set

Part Number: FEL-CS77332

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

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

Part Number: FEL-260-1023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

.032-IN. MLX 5 LAYER HEAD GASKET

Part Number: CGT-C5249-023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, 4.200 in. Bore, .027 in. Compressed Thickness, Pontiac, 455, Each

Part Number: CGT-C5769-027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

Head Gaskets, MLS, 4.185 in./106.30mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C15528-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Gasket, Valley Pan, Valley Cover, Pushrod Cover, Pontiac, 350/400/428/455, Set

Part Number: FEL-PS50045C

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Pontiac, Each

Part Number: CGT-C5769-051

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Head Gasket, MLX, 4.165 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5031-040

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Header Gasket, Multi Layer Stainless Header Gasket - GM LS Based GEN III & IV Engines.

Part Number: KOK-SS-755818

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Oval Port, Chevy, Small Block, Pair

Part Number: MRG-5917

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, MLS, 4.100 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-045

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Exhaust Header Gaskets, Composite with Steel Core, 1.500 in. x 1.500 in. Square Port, Chevy, Small Block, Set

Part Number: EDL-7204

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

Gaskets, Valve Cover, Laminated High-Temperature Silicone Cork, 0.250 in. Thick, Pontiac, Pair

Part Number: SCE-228176

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/13/2025

Differential Pinion Seal, Rear Outer, Nitrile, GM, Passenger Car, Pickup, SUV, Each

Part Number: TMK-2043

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, MLS, 4.165 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-036

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, MLS, 4.200 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/13/2025

Valve Cover Gaskets, Blue Rubber/Steel Core, 3/16 in. Thick, Perimeter Bolt, Small Block, Chevy, Pair

Part Number: PQX-4174841

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, Copper, 4.155 in. Bore, 0.050 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P111550

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Seal, Transmission Rear Seal, Nitrile, Each

Part Number: TMK-5200

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/13/2025

Head Gasket, MLS, 4.030 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-080

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

.040" MLX HEAD GASKET

Part Number: CGT-C15575-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

• Free Shipping

Gaskets, Timing Cover, Cork/Rubber, Chevy, Small Block/90 Degree V6, Kit

Part Number: FEL-TCS45265

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5403-051

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

Gasket, Composite, Water Outlet, Oldsmobile, V8/Diesel, Each

Part Number: FEL-35130

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/13/2025

• $50.00 Summit Bucks

Gaskets, Manifold, Intake, AccuSeal E, Vortec CPI, 2.10 in. Height, .0625 in. Thick, Chevy, Small Block, Set

Part Number: SCE-111119

2.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/13/2025