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ARP 490-7401 Thermostat Housing Bolt Kit - 12-Point

(Pontiac GTO 1964-66, 1970-73, Firebird 1967, 1971-77, 1979-81, Grand Prix 1963-66, 1970-71, 1976-80, Grand Am 1973, 1978-80 + 11 more models)

Manufacturer

Part Number

490-7401
Sale Price

$6.09

Estimated ship date Wednesday, February 03

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 490-7401 thermostat housing bolt kit provides a premium solution for securing thermostat housings and preventing water leaks. These application-specific fasteners are precision-engineered to properly engage manifold threads while resisting loosening under heat and vibration.

Key Features:

  • 12-point head design for improved grip and easier installation in tight spaces
  • Chrome moly construction with black oxide finish for superior strength and corrosion resistance
  • Engineered thread engagement prevents loosening and ensures reliable sealing
  • Includes washers for complete installation
  • Application-specific design for proper fit and function

ARP's premium-grade materials and precise manufacturing ensure these thermostat housing bolts deliver reliable performance and long-lasting leak prevention in demanding engine environments.

Products specifications

Fits

Pontiac GTO 1964-66, 1970-73, Firebird 1967, 1971-77, 1979-81, Grand Prix 1963-66, 1970-71, 1976-80, Grand Am 1973, 1978-80, LeMans 1963-67, 1970-72, 1974-77, 1979-81, Catalina 1963-67, 1970-72, 1977, 1979-80, Tempest 1963-67 + 8 more models

Fastener Finish

Polished

Fastener Head Style

12-Point

Fastener Material

Stainless steel

Fastener Style

Bolt

Quantity

Sold as a set.

UHL

1

Underhead Length (in)

1.000 in.

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Autoplicity, was very easy to use, very fast, and an enjoyable experience. I would recommend to my closest friends!!

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