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Mr. Gasket

Mr. Gasket Head Gaskets 1121G Gasket, Flexible Graphite Core, Elastomer Coated, 4.140 in. Bore, 0.028 in. Compressed Thickness, Each

SKU: MRG1121G

Head Gaskets
Mr. Gasket Head Gaskets 1121G Gasket, Flexible Graphite Core, Elastomer Coated, 4.140 in. Bore, 0.028 in. Compressed Thickness, Each

Mr. Gasket

Mr. Gasket Head Gaskets 1121G Gasket, Flexible Graphite Core, Elastomer Coated, 4.140 in. Bore, 0.028 in. Compressed Thickness, Each

SKU: MRG1121G

Head Gaskets
A$206.47
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Mr. Gasket head gaskets are ideal for stock rebuilds and mild performance applications. They're designed to offer greater sealing characteristics than OEM, plus longer life--and they're more affordable, too!

Part Type

SBM Head Gasket 4.140 Bore .028 thick

Data: v4.2 - Upd: 2026-09-29 08:57:52

Specifications

Product Attributes - Brand
Mr. Gasket
Product Attributes - Manufacturer's Part Number
1121G
Product Attributes - Part Type
Head Gaskets
Product Attributes - Product Line
Mr. Gasket Head Gaskets
Product Attributes - UPC
084041022986
Product Attributes - Bore (in.)
4.140 in.
Product Attributes - Bore (mm)
105.156mm
Product Attributes - Gasket Material
Flexible graphite core/Elastomer coated
Product Attributes - Compressed Thickness (in.)
0.028 in.
Product Attributes - Compressed Volume (cc)
6.177cc
Product Attributes - Lock Wire
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Use Earl's thread sealant part number D024ERL on bolts holes that enter cooling passages. Do not use any other type of glue or sealant on this head gasket.

Reference Information

Brand Name/s Mr. Gasket
StreetFX SKU mrg1121G
SFX Item ID 4982610
Supplier Item Code 4982610
Manufacturer SKU 1121G
Manufacturer UPC 84041022986

Compatibility

Application Data
  • MakeCHRYSLER
    Beginning Year1971
    Ending Year1980
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.9L/360
  • MakeCHRYSLER
    Beginning Year1975
    Ending Year1989
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.2L/318
  • MakeDODGE
    Beginning Year1959
    Ending Year1991
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.2L/318
  • MakeDODGE
    Beginning Year1964
    Ending Year1969
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size4.5L/273
  • MakeDODGE
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.6L/340
  • MakeDODGE
    Beginning Year1971
    Ending Year1991
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.9L/360
  • MakePLYMOUTH
    Beginning Year1957
    Ending Year1969
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size4.5L/273
  • MakePLYMOUTH
    Beginning Year1959
    Ending Year1989
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.2L/318
  • MakePLYMOUTH
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.6L/340
  • MakePLYMOUTH
    Beginning Year1971
    Ending Year1983
    Engine TypeV8
    Engine FamilyMopar small block LA
    Engine Size5.9L/360

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