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 C5274-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .027in MLS Cyl Head Gasket-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5274-030MLS 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 Cyl Head Gasket-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5274-036MLS 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 Cyl Head Gasket-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5274-040MLS 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-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $109.30 |
SHIPS FROM MANUFACTURER C5274-045MLS 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 Cyl Head Gasket-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $113.17 |
SHIPS FROM MANUFACTURER C5274-060MLS 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 Cyl Head Gasket-4.135in Bore-With Edelbrock RPM Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5317-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .027 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .030 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .036 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .040 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .045 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .051 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5317-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .056 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5317-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .060 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5317-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .066 inch MLS Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5317-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .070 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5317-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .075 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5317-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .080 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $143.08 |
SHIPS FROM MANUFACTURER C5317-089MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS Gen-3/4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.130in Bore 2001-2004 Avanti II Base $143.08 |
SHIPS FROM MANUFACTURER C5317-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .098 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $143.08 |
SHIPS FROM MANUFACTURER C5317-120MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.130 inch Bore .120 inch MLS Head Gasket 2001-2004 Avanti II Base $235.73 |
SHIPS FROM MANUFACTURER C5318-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.160 inch Bore .027 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5318-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.160 inch Bore .030 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5318-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.160 inch Bore .036 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5318-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.160 inch Bore .040 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |