Looking for aftermarket parts to modify or upgrade your 1966 Chevrolet Biscayne with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories for your Biscayne.
Whether you have a 1966 Chevrolet Biscayne in Base trim we have you covered. We have 53 head gaskets available to mod your Biscayne. All parts have free shipping to the Continental US 48 States.
SHIPS FROM MANUFACTURER C15413-043Copper Head Gasket... Cometic Chevy Big Block 4.320in Bore 0.043in Copper Round Bore Head Gasket 1965-1972 Chevrolet Biscayne Base $138.49 |
SHIPS FROM MANUFACTURER C15414-043Copper Head Gasket... Cometic Chevy Big Block 4.530in Bore 0.043in Copper Head Gasket 1965-1972 Chevrolet Biscayne Base $138.49 |
SHIPS FROM MANUFACTURER C15415-043Copper Head Gasket... Cometic Chevy Big Block 4.630in Bore 0.043in Copper Head Gasket 1965-1972 Chevrolet Biscayne Base $138.49 |
SHIPS FROM MANUFACTURER C15561-040Cometic Chevrolet Mark-IV Big Block V8 115.82mm Bore .040in MLX Cylinder Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5329-030Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.030". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevrolet Big Block 396/402/427/454 4.375in Bore .030in Thick MLS-5 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5329-036Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevrolet BB 111.125mm Bore .036in 396/402/427/454 MLS Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5329-040Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevrolet BB 111.125mm Bore .040in MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5329-051COMETIC 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 Chevy BB Head Gasket 4.375in Bore .051in MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5329-060COMETIC 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 Chevrolet Big Block 396/402/427/454 4.375in Bore .060in Thick MLS-5 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5329-066COMETIC 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 Chevy BB 396/402/427/454 4.375in Bore .066 Inch MLS Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5329-080Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.080". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevrolet BB 111.125mm Bore .080in 396/402/427/454 MLS Head Gasket 1965-1972 Chevrolet Biscayne Base $151.02 |
SHIPS FROM MANUFACTURER C5329-092Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.092". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevrolet Big Block 396/402/427/454 4.375in Bore .092in Thick MLS-5 Head Gasket 1965-1972 Chevrolet Biscayne Base $151.02 |
SHIPS FROM MANUFACTURER C5330-030Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.030". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevy BB 4.540in Bore .030 inch MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5330-036COMETIC 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 Chevy BB 4.545in Bore .036 inch MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5330-040Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevy Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket 4.540in Bore 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER c5330-051COMETIC 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 Chevy BB 4.540in Bore .051 inch MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
SHIPS FROM MANUFACTURER C5330-060COMETIC 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 Chevy BB 4.545in Bore .060 inch MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5330-067The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the dem... Cometic Chevy BB 4.540in Bore .067 inch MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5331-036Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Chevrolet Mark-IV Big Block V8 .036in MLS Cylinder Head Gasket 4.630in Bore 1965-1972 Chevrolet Biscayne Base $115.67 |
IN STOCK - LOW C5331-040Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic GM Gen II/ Mark IV BB 4.630in Bore .040in MLS (396 / 402 / 427 / 454) Head Gasket 1965-1972 Chevrolet Biscayne Base $109.07 |
SHIPS FROM MANUFACTURER C5331-045Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.045". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic GM Gen II/ Mark IV BB 4.630in Bore .045in MLS (396 / 402 / 427 / 454) Head Gasket 1965-1972 Chevrolet Biscayne Base $115.67 |
IN STOCK - LOW C5331-051Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic Chevy BB Head Gasket 4.630in Bore .051in MLS 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $109.07 |
SHIPS FROM MANUFACTURER C5331-060COMETIC 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 BB 4.630in Bore .060 inch MLS-5 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5331-066COMETIC 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 BB 4.630in Bore .066 inch MLS-5 396/402/427/454 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |
SHIPS FROM MANUFACTURER C5331-070Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.070". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gask... Cometic GM Gen II / Mark IV Big Block (396 / 402 / 427) 4.630in Bore .070in MLS-5 Head Gasket 1965-1972 Chevrolet Biscayne Base $141.50 |