Looking for aftermarket parts to modify or upgrade your 2003 Avanti II with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories for your II.
Whether you have a 2003 Avanti II in Base trim we have you covered. We have 112 head gaskets available to mod your II. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER C15408-050Copper Head Gasket... Cometic GM LS1 SB 4.100in Bore 0.050in Copper Head Gasket 2001-2004 Avanti II Base $125.59 |
 SHIPS FROM MANUFACTURER C15494-051The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.030in Bore 2001-2004 Avanti II Base $106.00 |
SHIPS FROM MANUFACTURER C15496-051The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .051in MLS Cylinder Head Gasket 2001-2004 Avanti II Base $106.00 |
IN STOCK - LOW C15514-051The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.070in Bore 2001-2004 Avanti II Base $99.40 |
SHIPS FROM MANUFACTURER C15517-040The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.... Cometic ChevroletLS1/LS2/LS3/LS6 Gen-III/IV SBC V8 4.200 mm Bore .040in MLS Cylinder Head Gasket 2001-2004 Avanti II Base $106.00 |
SHIPS FROM MANUFACTURER C15522-040The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .040in MLS Cylinder Head Gasket 2001-2004 Avanti II Base $106.00 |
SHIPS FROM MANUFACTURER C15540-051Cometic GM LS SEG 4.150in Bore .051 thick MLS Head Gasket 2001-2004 Avanti II Base $346.87 |
SHIPS FROM MANUFACTURER C15542-051Cometic GM LS SEG 4.200in Bore .051 thick MLS Head Gasket 2001-2004 Avanti II Base $346.87 |
 SHIPS FROM MANUFACTURER C5014-052Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.052"... Cometic GM LS Series V8 4.150in Bore .052in Thick MLX Head Gasket 2001-2004 Avanti II Base $128.12 |
 SHIPS FROM MANUFACTURER C5317-027COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .027 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5317-030COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .030 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5317-036COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .036 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5317-040COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .040 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 IN STOCK - LOW C5317-045COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .045 inch MLS Headgasket 2001-2004 Avanti II Base $99.40 |
 SHIPS FROM MANUFACTURER C5317-051COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .051 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5317-056COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .056 inch MLS-5 Headgasket 2001-2004 Avanti II Base $130.04 |
 SHIPS FROM MANUFACTURER C5317-060COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .060 inch MLS-5 Headgasket 2001-2004 Avanti II Base $130.04 |
 SHIPS FROM MANUFACTURER C5317-066Cometic GM LS1 SB 4.130 inch Bore .066 inch MLS Headgasket 2001-2004 Avanti II Base $130.04 |
 SHIPS FROM MANUFACTURER C5317-070COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .070 inch MLS-5 Headgasket 2001-2004 Avanti II Base $130.04 |
 SHIPS FROM MANUFACTURER C5317-075COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .075 inch MLS-5 Headgasket 2001-2004 Avanti II Base $130.04 |
 SHIPS FROM MANUFACTURER C5317-098COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .098 inch MLS-5 Headgasket 2001-2004 Avanti II Base $134.22 |
 SHIPS FROM MANUFACTURER C5317-120COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.130 inch Bore .120 inch MLS Headgasket 2001-2004 Avanti II Base $224.50 |
 SHIPS FROM MANUFACTURER C5318-027COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.160 inch Bore .027 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5318-030COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.160 inch Bore .030 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |
 SHIPS FROM MANUFACTURER C5318-036COMETIC MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for today's high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two ... Cometic GM LS1 SB 4.160 inch Bore .036 inch MLS Headgasket 2001-2004 Avanti II Base $106.00 |