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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 C5790-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .051 inch MLS Head Gasket 2001-2004 Avanti II Base $116.85 |
 SHIPS FROM MANUFACTURER C5790-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .060 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $150.19 |
 SHIPS FROM MANUFACTURER C5790-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .066 inch MLS-5 Head Gasket 2001-2004 Avanti II Base $150.19 |
 SHIPS FROM MANUFACTURER C5954-040MLS 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-4.060in Bore-Brodix 12-23 Degree Heads 1980-1985 Avanti II Base 1985-1985 Avanti II GT $107.12 |
 SHIPS FROM MANUFACTURER CF1003High quality and reliable hardware... Cometic Torque Converter Bolts 3/8-24 x 5/8in-Grade 8 Black Oxide Finish w/ Nuts 1971-1985 Avanti II Base 1985-1985 Avanti II GT $45.75 |
 IN STOCK - LOW CF1007High quality and reliable hardware... Cometic Flexplate Bolts 7/16 - 20 x 11/16in - Grade 8 With Black Oxide Finish and Lock Washers 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $42.38 CLEARANCE VIEW PRICE IN CART |
 SHIPS FROM MANUFACTURER CF1008High quality and reliable hardware... Cometic Harmonic Balancer Bolt Kit 7/16-20 x 2.25in 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $42.98 |
 IN STOCK - LOW CF1009High quality and reliable hardware... Cometic Header Bolts 3/8 - 16 3/4in Grade 5 Black Oxide Finish With Hex and Socket Head 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1991 Avanti II Base $43.77 |
 IN STOCK - LOW CF1013High quality and reliable hardware... Cometic Header Bolts M8 - 1.25 x 25mm Grade 5 Carbon Steel w/ Compact Head & Black Oxide Finish 2001-2004 Avanti II Base $37.30 |
 SHIPS FROM MANUFACTURER CP15012Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chrysler/Ford/GM Fuel Pump Gasket .031in Fiber - 4 Bolt - 10 Pack 1980-1985 Avanti II Base 1985-1985 Avanti II GT $41.68 |
 SHIPS FROM MANUFACTURER CP5126Cometic's HTS Gaskets are designed using reinforced gasket material compounds like armor-clad, graphite, and galvanized steel... Cometic Chevy Gen1 SB V8 Header Gasket .060in HTS 1.810in-Round Port Hooker/Stahl Pattern-20 Pack 1980-1985 Avanti II Base 1985-1985 Avanti II GT $191.42 |
 SHIPS FROM MANUFACTURER CP5389Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chrysler/Ford/GM Fuel Pump Gaskets .031in Fiber - 2 Bolt - 10 Pack 1980-1985 Avanti II Base 1985-1985 Avanti II GT $41.34 |
 SHIPS FROM MANUFACTURER PRO1003T-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.051in MLS Cyl Head Gasket 1973-1974 Avanti II Base 1976-1976 Avanti II Base $290.62 |
 SHIPS FROM MANUFACTURER PRO1003T-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.066in MLS Cyl Head Gasket 1969-1971 Avanti II Base 1973-1974 Avanti II Base 1976-1980 Avanti II Base $262.38 |
 SHIPS FROM MANUFACTURER PRO1003T-4200-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.200in Bore-.040in MLS Cyl Head Gasket 1973-1974 Avanti II Base 1976-1976 Avanti II Base $290.62 |
 SHIPS FROM MANUFACTURER PRO1003T-NHGCometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-Without Cyl Head Gasket-With Carburetor 1969-1971 Avanti II Base 1973-1974 Avanti II Base 1976-1980 Avanti II Base $158.68 |
 SHIPS FROM MANUFACTURER PRO1007T-3910MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-3.910in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $220.59 |
 SHIPS FROM MANUFACTURER PRO1007T-3910-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-3.910in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $334.77 |
 SHIPS FROM MANUFACTURER PRO1007T-4030-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.030in Bore-.040in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |
 SHIPS FROM MANUFACTURER PRO1007T-4040-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.040in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |
 SHIPS FROM MANUFACTURER PRO1007T-4100-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.100in Bore-.040in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |
 SHIPS FROM MANUFACTURER PRO1007T-4100-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.100in Bore-.066in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |
 SHIPS FROM MANUFACTURER PRO1007T-4125-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.125in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |
 SHIPS FROM MANUFACTURER PRO1007T-4140-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.140in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $262.38 |
 SHIPS FROM MANUFACTURER PRO1007T-4165-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS6 Gen-3 Small Block V8 Top End Gasket Kit-4.165in Bore-.051in MLS Cyl Head Gasket 2001-2004 Avanti II Base $344.81 |