Made in USA
B401-1 Engine Gasket Set for 1957-1966 Buick 6.0L, 6.6L, 7.0L
InfoVehicle Info Needed
ENGINETECHPART NUMBER: 416-B401-1

B401-1 Engine Gasket Set for 1957-1966 Buick 6.0L, 6.6L, 7.0L

$19999
ShippingShips on Sep 15, 2026
Lowest PriceLowest Price Guarantee

GM
Engine Gasket Set
  • 1957-1966 Buick 6.0L, 6.6L, 7.0L
  • Composite Gasket Construction
  • Complete Sealing for Head and Block Mating Surfaces
  • Sold Individually

    The Enginetech B401-1 is an engine gasket set designed for GM/Buick, 364 ci, 400 ci, 401 ci, 425 ci applications, providing OE-quality sealing for the specified engine assembly.

    Enginetech B401-1 Engine Gasket Set Features:

    • Fitment: GM/Buick, 364 ci, 400 ci, 401 ci, 425 ci
    • Engineered to OE specifications for direct replacement
    • Note: Valve stem seals and timing cover seal not Included. Timing cover seal not included. Valve stem seals & timing cover seal not included.
    • Complete Engine Sealing Solutions for Reliable Rebuild Performance

      Enginetech Full Gasket Sets are engineered to provide comprehensive sealing coverage for engine rebuilds and repairs, delivering OE-level reliability backed by Enginetech’s long-standing reputation among professional engine builders. Designed to include all major sealing components required throughout the engine, these sets typically cover critical areas such as the cylinder head, intake and exhaust systems, oil pan, valve covers, timing components, and water pump, along with seals like rear main seals and valve stem seals depending on the application. Manufactured using high-quality materials and precision die-cut construction, each gasket is designed for proper thickness, fitment accuracy, and resistance to heat, pressure, and fluid exposure.  With a focus on complete coverage, durability, and simplified installation, Enginetech gasket sets provide a dependable, all-in-one solution that helps maintain compression, prevent leaks, and ensure long-term engine performance across a wide range of domestic and import applications.


    Part TypeEngine Gasket Set
    Product LineEnginetech Full Gasket Sets
    BrandENGINETECH
    Package Height1.75
    Package Width13.25
    Package Length22.75
    Weight2.0 PG
    Part CategoryReplacement Parts
    QuantitySold individually
    FitmentGM/Buick
    MaterialComposite
    Part FitmentDirect Fit
    Vendor Part NumberB401-1
    Package Qty1
    Package TypeEA
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