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Looking for aftermarket parts to modify or upgrade your Avanti II with exhaust gaskets? At Tunersports.com we carry a huge selection of the top name brand performance exhaust gasket parts and accessories for your II.
Whether you have a 1965 or 2004 Avanti II in Base to GT trim we have you covered. We have 29 exhaust gaskets available parts to mod your II. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER C15028COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust man... Cometic GM Gen-3/Gen-4 Small Block LS V8 Graphite Exhaust Flange Gasket 2001-2004 Avanti II Base $36.78 |
 SHIPS FROM MANUFACTURER C15029The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the dem... Cometic GM Gen-3/Gen-4 Small Block LS V8 Metal Ring Exhaust Flange Gasket 2001-2004 Avanti II Base $35.64 |
 SHIPS FROM MANUFACTURER C15189-030Cometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $47.23 |
 SHIPS FROM MANUFACTURER C15189CCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $65.98 |
 SHIPS FROM MANUFACTURER C15189HTSCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $52.35 |
 SHIPS FROM MANUFACTURER C15190AMCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .064in AM Exhaust Manifold Gskt Set-1.480in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $59.77 |
 SHIPS FROM MANUFACTURER C15190CCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.480in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $65.98 |
 SHIPS FROM MANUFACTURER C15190HTGCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .094in HTG Exhaust Mani Gskt Set-1.480in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $57.63 |
 SHIPS FROM MANUFACTURER C15190HTSCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.480in x 1.450in Square Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $50.85 |
 SHIPS FROM MANUFACTURER C15193HTSCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold/header combination. All exhaust gaskets are designed to be used without the use of messy sealants.... Cometic GM Gen-3/4 Small Block V8 .060in HTS 1.820in Port Exhaust Manifold Gasket Set 2001-2004 Avanti II Base $54.11 |
 SHIPS FROM MANUFACTURER C15199COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two m... Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gskt Set-1.710in x 1.550in Brodix D Ports 1980-1985 Avanti II Base 1985-1985 Avanti II GT $51.72 |
 SHIPS FROM MANUFACTURER C15200COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two m... Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gskt Set-2.00in Round Port-Hooker/Stahl Bolt Patt 1980-1985 Avanti II Base 1985-1985 Avanti II GT $51.72 |
 SHIPS FROM MANUFACTURER C15201COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two m... Cometic Chevy Gen1 SB V8 .060in HTS Exhaust Mani Gskt Set-1.650in x 1.600in D Port 1980-1985 Avanti II Base 1985-1985 Avanti II GT $47.60 |
 SHIPS FROM MANUFACTURER C15305CToday's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manu... Cometic Chevy Gen-I Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.500in Round Port 1980-1985 Avanti II Base 1985-1985 Avanti II GT $66.00 |
 IN STOCK - LOW C15547Ideal for exhaust gasket applications. Can withstand temperatures up to 2000°F. Compressable to seal in less than perfect sealing surfaces.... Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set 2001-2004 Avanti II Base $65.99 |
 SHIPS FROM MANUFACTURER C15603-064COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust man... Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $56.27 |
 SHIPS FROM MANUFACTURER C15611-060The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the dem... Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set-1.55in x 1.55in Square Port 1980-1985 Avanti II Base 1985-1985 Avanti II GT $51.99 |
 SHIPS FROM MANUFACTURER C15612-060COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust man... Cometic Chevrolet Gen-1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set - 1.5in Square Port 1980-1985 Avanti II Base 1985-1985 Avanti II GT $51.03 |
 IN STOCK C5818-030COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust man... Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair) 2001-2004 Avanti II Base $55.07 |
 SHIPS FROM MANUFACTURER C5892-030COMETIC MLS (Multi-Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust man... Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT $64.09 |
SHIPS FROM MANUFACTURER cp5818Cometic GM LS Gen 3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket - 20 Pack 2001-2004 Avanti II Base $173.60 |
 SHIPS FROM MANUFACTURER F10152MAHLE Original® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe... MAHLE Original Buick Commercial Chassis 96-95 Exhaust Pipe Flange Gasket 2001-2004 Avanti II Base $31.39 |
 SHIPS FROM MANUFACTURER F31630MAHLE Original® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe... MAHLE Original Chevrolet Camaro 02-98 Exhaust Pipe Gasket 2001-2004 Avanti II Base $33.02 |
 SHIPS FROM MANUFACTURER F7135MAHLE Original® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe... MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket 1965-1969 Avanti II Base $30.68 |
 SHIPS FROM MANUFACTURER G31178MAHLE Original® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe... MAHLE Original Acura Cl 99-97 Exhaust Gas Recirculation Valve Gasket 1989-1991 Avanti II Base $28.73 |