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 C5318-045MLS 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 .045in MLS Cylinder Head Gasket - 4.160in Bore 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5318-051MLS 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 .051 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5318-056MLS 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 .056 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5318-060MLS 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 .060 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5318-075MLS 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 .075 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5318-080MLS 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 .080 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $143.08 |
SHIPS FROM MANUFACTURER C5319-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190 inch Bore .030 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5319-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190in Bore .036in MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5319-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190 inch Bore .040 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5319-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190 inch Bore .045 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5319-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Head Gasket 2001-2004 Avanti II Base $109.30 |
SHIPS FROM MANUFACTURER C5319-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190 inch Bore .060 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $113.17 |
SHIPS FROM MANUFACTURER C5319-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 SB 4.190in Bore .080in MLS Head Gasket 2001-2004 Avanti II Base $138.41 |
SHIPS FROM MANUFACTURER C5399-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .027 inch MLS Head Gasket 1980-1985 Avanti II Base 1985-1985 Avanti II GT $107.12 |
SHIPS FROM MANUFACTURER C5399-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $107.12 |
SHIPS FROM MANUFACTURER C5399-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 4.030in Bore .036in MLS Cylinder Head Gasket 1980-1985 Avanti II Base 1985-1985 Avanti II GT $107.12 |
SHIPS FROM MANUFACTURER C5399-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .040 inch MLS Head Gasket 1980-1985 Avanti II Base 1985-1985 Avanti II GT $107.12 |
SHIPS FROM MANUFACTURER C5399-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .045in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $110.88 |
SHIPS FROM MANUFACTURER C5399-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .051in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $110.88 |
SHIPS FROM MANUFACTURER C5399-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .056in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5399-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .060in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5399-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5399-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .070in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $138.41 |
SHIPS FROM MANUFACTURER C5399-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .080 inch MLS-5 Head Gasket 1980-1985 Avanti II Base 1985-1985 Avanti II GT $143.08 |
SHIPS FROM MANUFACTURER C5399-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Gen-1 Small Block V8 .098in MLS Cylinder Head Gasket - 4.030in Bore 1980-1985 Avanti II Base 1985-1985 Avanti II GT $143.08 |