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1966 Ford Mustang Head Gaskets

Looking for aftermarket parts to modify or upgrade your 1966 Ford Mustang with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories for your Mustang.

Whether you have a 1966 Ford Mustang in Base to Shelby GT-350H trim we have you covered. We have 141 head gaskets available parts to mod your Mustang. All parts have free shipping to the Continental US 48 States.

1966 Mustang Head Gasket Parts:

Only show in-stock parts

Cometic Gasket Head Gaskets

Cometic Gasket
Cometic Gasket Head Gaskets C15222
SHIPS FROM MANUFACTURER
C15222
Cometic is dedicated to customer satisfaction and provides quality products, delivered on time at a competitive price, designed for each customer's specific application. Cometic is an industry leader in manufacturing processes and committed to pairing the highest possible quality materials with know...
Cometic Ford 8in .032in AFM Differential Cover Gasket - 10 Bolt
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$35.00
Cometic Gasket Head Gaskets C15371-040
SHIPS FROM MANUFACTURER
C15371-040
COMETIC MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. ...
Cometic Ford SB 289-302/351 Non-SVO Head 4.010in Bore .040in MLX Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C15371-050
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C15371-050
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block....
Cometic Ford Windsor V8 .050in MLX Cylinder Head Gasket - 4.100in Bore - Non-SVO
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C15372-040
SHIPS FROM MANUFACTURER
C15372-040
COMETIC MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. ...
Cometic Ford SB 289-302/351 SVO Head 4.010in Bore .040in MLX Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C15420-043
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C15420-043
Copper Head Gasket...
Cometic Ford (NON SVO) 289/302/351 4.00in Bore 0.043in Copper Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$122.99
Cometic Gasket Head Gaskets C15551-040
SHIPS FROM MANUFACTURER
C15551-040
Cometic Ford Windsor 4.150IN Bore RHS .040in MLS Cylinder Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C15551-051
SHIPS FROM MANUFACTURER
C15551-051
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block....
Cometic Ford Boss 69-70 302 Head on 351C Block .051in MLS Cylinder Head Gasket - 4.150in Bore - RHS
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C15552-040
SHIPS FROM MANUFACTURER
C15552-040
Cometic Ford Windsor 4.150IN Bore LHS .040in MLS Cylinder Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C15552-051
SHIPS FROM MANUFACTURER
C15552-051
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block....
Cometic Ford Boss 69-70 302 Head on 351C Block .051in MLS Cylinder Head Gasket - 4.150in Bore - LHS
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C15605-032
SHIPS FROM MANUFACTURER
C15605-032
Cometic is dedicated to customer satisfaction and provides quality products, delivered on time at a competitive price, designed for each customer's specific application. Cometic is an industry leader in manufacturing processes and committed to pairing the highest possible quality materials with know...
Cometic Ford 9in .032in AFM Differential Cover Gasket - 10 Bolt - Extra Ring Gear Clearance
1965-1970 Ford Mustang Shelby GT-350
1965-1973 Ford Mustang Base
1966-1966 Ford Mustang Shelby GT-350H
$45.47
Cometic Gasket Head Gaskets C15606-040
SHIPS FROM MANUFACTURER
C15606-040
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines a...
Cometic Ford Windsor .040in MLS Cylinder Head Gasket - 4.210in Bore - SVO
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C15639-040
SHIPS FROM MANUFACTURER
C15639-040
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block....
Cometic Ford 302/351W Windsor V8 4.170in Bore .040in MLX Cylinder Head Gasket SVO
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C15640-040
SHIPS FROM MANUFACTURER
C15640-040
The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block....
Cometic Ford Windsor V8 4.170in Bore Non-SVO .040in MLX Cylinder Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C5025-040
IN STOCK - LOW
C5025-040
Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manu...
Cometic Ford SB 289/302/351 4.2in Bore .040in MLX Non-SVO Head Gasket - Right
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$121.52 CLEARANCE
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Details
Cometic Gasket Head Gaskets C5025-052
SHIPS FROM MANUFACTURER
C5025-052
Cometic Ford SB 289/302/351 4.200in Bore .052in MLX Non-SVO Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C5025-060
SHIPS FROM MANUFACTURER
C5025-060
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines a...
Cometic Ford SB 289/302/351 4.2in Bore .060in MLX Non-SVO Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$128.12
Cometic Gasket Head Gaskets C5134-040
SHIPS FROM MANUFACTURER
C5134-040
COMETIC 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 Ford Man-O-War 4.155in Bore .040 inch MLS-6 Bolt 10 Degree Headgasket
1964-1973 Ford Mustang Base
1965-1968 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$113.55
Cometic Gasket Head Gaskets C5135-040
SHIPS FROM MANUFACTURER
C5135-040
COMETIC 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 Ford Man-O-War 6 Bolt 10 Degree Heads 4.180in Bore .040in MLS Head Gasket
1964-1973 Ford Mustang Base
1965-1968 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$113.55
Cometic Gasket Head Gaskets C5510-040
SHIPS FROM MANUFACTURER
C5510-040
COMETIC 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 Ford 289/302/351 4.125 inch Bore .040 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C5511-027
SHIPS FROM MANUFACTURER
C5511-027
COMETIC 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 Ford 289/302/351 4.030 inch Bore .027 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C5511-030
SHIPS FROM MANUFACTURER
C5511-030
COMETIC 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 Ford 289/302/351 4.030 inch Bore .030 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C5511-036
SHIPS FROM MANUFACTURER
C5511-036
COMETIC 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 Ford 289/302/351 4.030 inch Bore .036 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C5511-040
IN STOCK
C5511-040
COMETIC 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 Ford 289/302/351 4.03in NONSVO .040 thick MLS Head Gasket
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$99.40
Details
Cometic Gasket Head Gaskets C5511-045
SHIPS FROM MANUFACTURER
C5511-045
COMETIC 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 Ford 289/302/351 4.030 inch Bore .045 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00
Cometic Gasket Head Gaskets C5511-051
SHIPS FROM MANUFACTURER
C5511-051
COMETIC 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 Ford 289/302/351 4.030 inch Bore .051 inch MLS Headgasket (Non SVO)
1964-1973 Ford Mustang Base
1965-1970 Ford Mustang Shelby GT-350
1966-1966 Ford Mustang Shelby GT-350H
$106.00