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Thermostat Housing Bolt Kit for Ford FE Engines [12-Point, 8740 Chromoly, Black Oxide]
InfoVehicle Info Needed
ARPPART NUMBER: 070-155-7401

Thermostat Housing Bolt Kit for Ford FE Engines [12-Point, 8740 Chromoly, Black Oxide]

$599
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

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Black Oxide
Thermostat Housing Bolt Kit
  • Ford FE Engines
  • 2.250 in. Underhead Length
  • 12-Point Head
  • 8740 Chromoly Steel, Black Oxide Finish
  • Sold as a Kit

    Factory hardware on the thermostat housing is often rusty, mismatched or simply not up to the job after years of service. This thermostat housing bolt kit for Ford FE engines replaces it with 8740 chromoly 12-point head fasteners sized for a correct fit and a clean, finished look.

    ARP 155-7401 Thermostat Housing Bolt Kit Features:

    • Fits Ford FE engines
    • Underhead Length: 2.250 in.
    • 12-Point head design
    • Heat-treated chromoly steel with black oxide finish
    • Sold as a kit

      • ARP's Thermostat Housing Bolts are engineered to properly engage the manifold threads and resists loosening during operation. These premium grade bolts are application-specific and come in choice of black oxide chrome moly or rust-proof stainless finish with 12-point or hex style heads. Includes washers.

    Part TypeThermostat Housing Bolt
    Product LineARP Thermostat Housing Bolts
    BrandARP
    Package Height0.5
    Package Width3.75
    Package Length5.75
    Weight0.15 PG
    Part CategoryPerformance Parts
    Underhead Length2.25 in (57.2 mm)
    QuantitySold as a Kit
    Fastener StyleBolt
    Fastener FinishBlack oxide
    Material8740 Chromoly Steel
    Part FitmentSemi Universal
    Fastener MaterialChromoly
    Head Style12-Point
    FinishBlack Oxide
    Fastener Head Style12-point
    Under Head Length2.250 in
    Vendor Part Number155-7401
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning