Hardin Marine

Xtreme Marine Seal Complete Combination Gasket Kit - BBC Gen 5 & 6 

For those of you that require all of the gaskets required for an engine rebuild we offer theseconvenient combination kits. You'll receive intake manifold gaskets, exhaust manifold gaskets, valve cover gaskets, cylinder head gaskets, oil pan gaskets, and a front timing cover or water pump cover gasket (seal sold separately). These gaskets give the peace of mind you did the job right. Choose from this Xtreme Marine Seal kit or a standard kit.

Xtreme Marine Seal Complete Combination Gasket Kit - Ford 460- Sold in Pairs

For those of you that require all of the gaskets required for an engine rebuild we offer these convenient combination kits. You'll receive intake manifold gaskets, exhaust manifold gaskets, valve cover gaskets, cylinder head gaskets, oil pan gaskets, and a front timing cover or water pump cover gasket (seal sold separately). These gaskets give the peace of mind you did the job right. Choose from the standard Marine Seal or the Best Xtreme Marine Seal.

Sold in Pairs

Xtreme Marine Seal Complete Combination Gasket Kit - Olds 455- Sold in Pairs

For those of you that require all of the gaskets required for an engine rebuild we offer these convenient combination kits. You'll receive intake manifold gaskets, exhaust manifold gaskets, valve cover gaskets, cylinder head gaskets, oil pan gaskets, and a front timing cover or water pump cover gasket (seal sold separately). These gaskets give the peace of mind you did the job right. Choose from the standard Marine Seal or the Best Xtreme Marine Seal.

Sold in Pairs

Xtreme Marine™ Seal Cylinder Head Gasket - Big Block Chevy Gen 4 454, 4.370 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Big Block Chevy Gen 4 540/572, 4.63 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Big Block Chevy Gen 5 & 6 454, 4.370 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Big Block Chevy Gen 5 & 6 502, 4.540 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Big Block Ford 460 Non-Cobra Jet, 4.500 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Oldsmobile 455, 4.250 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Small Block Chevy, 3.840 Bore, 305 C.I.- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Cylinder Head Gasket - Small Block Chevy, 4.125 Bore- Sold Each

The most demanding sealing job of any marine engine is the sealing of the cylinder head to the engine block, and for that reason we have incorporated the finest gasket core and combustion armors along with 300 series stainless for corrosion protection into our product line. This non-retorque style head gasket is the perfect choice for today's high performance recreational power boater.

• Excellent corrosion protection
• Eliminate hot spots
• No retorque required

With over 40 years of marine engine manufacturing experience under our belts, building high performance and original equipment engines has provided us the insight needed to develop what today is considered to be the marine industries finest gaskets available today. Dependability and durability in both fresh water and harsh salt water environments. Marine engines operate in conditions far more severe than their automotive counterparts from cool water rushing in against scalding hot cylinder walls to exhaust temperatures exceeding 2,000 degrees Fahrenheit. Rest assured each Hardin Marine seal and Xtreme Marine Seal gasket was designed for its specific purpose. While marine seal gaskets are the perfect choice for an OEM application the Xtreme Seal gaskets are strong enough to be chosen by the world's leading offshore engine manufacturers.

SOLD EACH!

Xtreme Marine™ Seal Intake Gasket -Big Block Chevy 454/502 Oval Port- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using thelatest in synthetic fiber nitrile materials. This material is designedwithout any metal core allowing engine builders the option of port trimming formodified ports. These gaskets resist oil, gasoline, and evenalcohol. A silicone sealing bead has been added to our Xtreme Marine SealGaskets for an additional sealing bead around ports where it's needed most onmodified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Big Block Chevy 454/502 Rectangular Port- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Note: These gaskets have a bolt hole provision above the intake ports. These generally only fit stock cylinder heads. Use 300-17342 for aftermarket cylinder heads without the bolt hole provision.

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Big Block Chevy Rectangular Port Without Top Bolt Holes Competition Style (No End Seals)- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Chevy 4.3L V6- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Ford 460 V8- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal
• Port size 2.250" Tall by 2.00" Wide

Sold in Pairs

• Material: Fiber
• Compressed Thickness: .060
• Port Shape: Rectangle
• Port Size: 1.754 x 2.505
  

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Oldsmobile 350-455 V8- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Small Block Chevy 350 Early Non-Vortec Head- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine™ Seal Intake Gasket -Small Block Chevy 350 Vortec Head- Sold in Pairs

These hi-performance intake manifold gasket sets are manufactured using the latest in synthetic fiber nitrile materials. This material is designed without any metal core allowing engine builders the option of port trimming for modified ports. These gaskets resist oil, gasoline, and even alcohol. A silicone sealing bead has been added to our Xtreme Marine Seal Gaskets for an additional sealing bead around ports where it's needed most on modified engines.

• Exceeds original equipment specifications
• Perfect for bi-metal applications (aluminum intake / cast iron blocks)
• Silicone beaded for a leak-proof seal

Sold in Pairs

Xtreme Marine Seal Oil Pan Gasket - 4.3 V6 Chevy with 1-piece rear seal (rear seal sold separately)-Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Big Block Chevy Gen 4 (2-piece rear seal)- Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Ford 460 Oil Pan Gasket- Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Oldsmobile 350-455 Oil Pan Gasket Set- Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Small Block Chevy with Port Side Dipstick and 2-piece rear seal (rear seal sold separately)- Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Small Block Chevy with Starboard side Dipstick and 2-piece rear seal (rear seal sold separately)-Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each

Xtreme Marine Seal Oil Pan Gasket - Small Block Chevy with 1-piece rear seal (rear seal sold separately)- Sold Each

These Xtreme Marine Seal oil pan gasket sets are designed for today's performance marine engines that create excessive amounts of vacuum and pressure in the engine caused by excessive windage of a wet sump oiling system. These gaskets are constructed from a high pressure drawn fiber material that offers excellent strength and superior resistance to blowout.

Sold Each