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Looking for aftermarket parts to modify or upgrade your Avanti II with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories.
 SHIPS FROM MANUFACTURER C15012-032A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chrysler/Ford/GM .032in AFM Fuel Pump Gasket - 4 Bolt 1980-1985 Avanti II Base 1985-1985 Avanti II GT $33.52 |
 SHIPS FROM MANUFACTURER C15034Cometic GM Gen-3/4 Small Block V8 Coolant Bypass Seals 2001-2004 Avanti II Base $37.40 |
SHIPS FROM MANUFACTURER C15035Cometic GM Gen-3 Small Block V8 Knock Sensor Seal - 2 Pack 2001-2004 Avanti II Base $37.86 |
IN STOCK - LOW C15191Cometic GM/Ford/Chrysler Aluminum Carrier With Rubber Insert Water Outlet Gasket - 2 Bolt 1980-1985 Avanti II Base 1985-1985 Avanti II GT $47.93 CLEARANCE VIEW PRICE IN CART |
 SHIPS FROM MANUFACTURER C15208-040MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM Dart/Brodix Small Block V8 .040in MLX Cyl Head Gasket-4.310in Bore-4.500in Bore Center 1980-1985 Avanti II Base 1985-1985 Avanti II GT $131.42 |
 SHIPS FROM MANUFACTURER C15208-044MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM Dart/Brodix Small Block V8 .044in MLX Cyl Head Gasket-4.310in Bore-4.500in Bore Center 1980-1985 Avanti II Base 1985-1985 Avanti II GT $136.39 |
 SHIPS FROM MANUFACTURER C15229A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic GM 7.5in .032in AFM Differential Cover Gasket - 10 Bolt 1987-1990 Avanti II Base 2001-2004 Avanti II Base $39.18 |
 SHIPS FROM MANUFACTURER C15232A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic GM 8.5in .060in AFM Differential Cover Gasket - 10 Bolt 1990-1991 Avanti II Base $40.52 |
 SHIPS FROM MANUFACTURER C15232FCFully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic GM 8.5in .060in Fiber Differential Cover Gasket - 10 Bolt 1990-1991 Avanti II Base $43.09 |
 SHIPS FROM MANUFACTURER C15313-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-1 Small Block V8 .040in MLS Cylinder Head Gasket - 4.125in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15396-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .040in MLS Cyl Head Gasket-4.190in Bore-All Pro Heads-Round Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15408-050Copper Head Gasket... Cometic GM LS1 SB 4.100in Bore 0.050in Copper Head Gasket 2001-2004 Avanti II Base $128.89 |
 SHIPS FROM MANUFACTURER C15411-043Copper Head Gasket... Cometic Chevy Small Block 4.165in Bore 0.043in Copper Head Gasket (No Steam Holes) 1980-1985 Avanti II Base 1985-1985 Avanti II GT $133.74 |
 SHIPS FROM MANUFACTURER C15412-043Copper Head Gasket... Cometic GM SB 18/23 Deg 4.200in Bore 0.043in Copper Head Gasket (No Steam Holes) 1980-1985 Avanti II Base 1985-1985 Avanti II GT $133.74 |
 SHIPS FROM MANUFACTURER C15439-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .056in MLS Cylinder Head Gasket - 4.185in Bore - Round Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base 2001-2004 Avanti II Base $138.41 |
 SHIPS FROM MANUFACTURER C15495-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.155in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15498-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Gasket Chevrolet Gen-I Small Block V8 .040in MLS Cylinder Head Gasket 4.200in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15499-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.200in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15504-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.165in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15512-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.165in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 IN STOCK - LOW C15528-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.185in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $102.70 |
 SHIPS FROM MANUFACTURER C15528-089MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.185in Bores 1980-1985 Avanti II Base 1985-1985 Avanti II GT $143.08 |
 SHIPS FROM MANUFACTURER C15575-040MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Chevy Gen-1 Small Block V8 .040in MLX Cylinder Head Gasket - 4.200in Bores - Round Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $131.42 |
 SHIPS FROM MANUFACTURER C15604-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .040in MLS Cylinder Head Gasket-4.080in Bore-With Valve Pockets 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
 SHIPS FROM MANUFACTURER C15617Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Gen-1 Small Block V8 .031 Fiber Fuel Pump Mounting Plate Gasket - 4 Bolt 1980-1985 Avanti II Base 1985-1985 Avanti II GT $33.52 |