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 C5473MLS 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 - 4.004in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5474-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Small Block 4.080 inch Bore .027 inch MLS Head Gasket w/ Valve Pockets 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5474-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .030in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5474-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .036in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5474-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Small Block 4.080 inch Bore .040 inch MLS Head Gasket w/ Valve Pockets 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5474-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .045in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $113.17 |
SHIPS FROM MANUFACTURER C5474-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .051in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $113.17 |
SHIPS FROM MANUFACTURER C5474-056MLS 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 - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5474-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .060in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5474-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5474-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .070in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5474-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .075in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5474-089MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .089in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $143.08 |
SHIPS FROM MANUFACTURER C5474-120MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .120in MLS Cylinder Head Gasket - 4.080in Bore - Vortec Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $235.73 |
SHIPS FROM MANUFACTURER C5475-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .027 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .030 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .036 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .040 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .045 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910in Bore .051 thick MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5475-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .060 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5475-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .066 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5475-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .075 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5475-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .080 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $143.08 |
SHIPS FROM MANUFACTURER C5475-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 3.910 inch Bore .098 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $143.08 |