Free Shipping on Auto Parts Orders Over $75.                           Order by 11 PM EST for Same Day Shipping!

Mr. Gasket 121 - Mr. Gasket Intake Manifold Gasket Sets



Mr. Gasket 121 - Mr. Gasket Intake Manifold Gasket Sets
Mr. Gasket 121 - Mr. Gasket Intake Manifold Gasket Sets

JEGS Part Number: 720-121

Intake Manifold Gaskets
  • Performance Material
  • 1965-90 Chevy 396-454 Gen IV.
  • Thickness: .060''
  • Rectangular Raised Port: 1.85'' X 2.55''
    • Fits Applications:
    • 1963
      CHEVROLET
      1966-1990
      CHEVROLET
      1968-1990
      GMC
    • Click to see All
      $15.27 Order Today Ships 05/31/16

    Mr. Gasket 121 Details

    Chevrolet - Big Block


  • Intake Gasket Set

  • Mr. Gasket Intake Manifold Gasket Sets

    Get the right gasket for your project. These top-of-the-line Mr. Gasket Intake Manifold Gaskets are recommended for OE replacement, high-performance street, drag race and oval track applications. Sold 2/pkg.

    Performance Material
  • Manufactured from cellulose/nitrate composition gasket material
  • Provides excellent sealing and durability
  • Can be trimmed if necessary for modified ports
  • Complete with manifold end rail seals and distributor gasket

    Ultra-Seal Material
  • Manufactured from cellulose/nitrate composition gasket material
  • Provides excellent sealing and durability
  • Silicone beading applied around each port to create a tight leakproof seal
  • Cam be trimmed for modified ports
  • Complete with manifold end rail seals and distributor gasket

    Ultra-Seal III Material
  • Made from high-density, high-tensile strength, and high-temperature gasket material
  • Delivers excellent sealing properties for oil, fuel and coolant
  • Seals using low flange pressure (clamp force)
  • Can be modified (trimmed) easily to fit custom applications
  • Requires no gasket sealer for installation
  • Releases easily (no scrapping required) will not stick to mating surfaces when disassembling engine

  • Mr. Gasket 121

    Engine Make/Size
    Chevy Big Block (396-454)
    Position
    N/A
    Thickness (in.)
    .06
    Port Height (in.)
    2.5
    Port Style
    Rectangular raised port
    Port Width (in.)
    1.75
    Quantity
    Sold as a set
    Water Crossover Style
    Open
    Gasket Material
    Composition
    Manufacturer's Part Number:
    121
    Rated 5 out of 5 by from Intake gasket Gaskets fit great on my hp intake on my 454 Chevy SS
    Date published: 2015-11-10
    • 2016-05-30T11:21CST
    • bvseo_cps, prod_bvrr, vn_cps_3.2.1
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_29840, PRD, sort_relevancy
    • clientName_jegs
    JEGS Performance Products 28030 - JEGS RTV Silicone Gasket Maker
    Only $4.69

    JEGS Performance Products 28040 - JEGS RTV Pressure Bead Gasket Maker Silicone
    Only $15.49

    JEGS Performance Products 28035 - JEGS RTV Silicone Gasket Maker
    Only $5.99

    JEGS Performance Products 28045 - JEGS RTV Pressure Bead Gasket Maker Silicone
    Only $15.49


    See All Items You Need