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Home Harley-Davidson Ultima Head Gasket 4" Bore Size (Multi Layer Steel)
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Harley-Davidson Ultima Head Gasket 4" Bore Size (Multi Layer Steel)

Interchange # 78-685
$13.60
Prices are in USD. Shipping calculated at checkout.
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This premium cylinder head gasket is engineered to provide a high-performance seal between the cylinder and the head, ensuring maximum compression and preventing combustion leaks. Manufactured from high-quality, heat-resistant materials, it is designed to withstand the intense thermal stresses and pressures of high-output engines. Choosing this Nightforge component guarantees a precise fit for a reliable installation, protecting your engine's power delivery and supporting long-term durability.

This gasket is designed for use with Ultima performance engines and compatible Harley-Davidson Evolution-style Big Twin models.

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Parts Type
Head Gasket
Material
FKM Rubber Coated Multi-Layer Stainless Steel
Weight
0.048600
Head Gasket Bore Size
4.00" - Big Bore

No fitment data available for this product.