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12-Point Head Bolts [1/4-28 x 4.250 in. UHL, 5/16 in. Wrench, Stainless Steel, Polished]
InfoVehicle Info Needed
ARPPART NUMBER: 070-711-4250

12-Point Head Bolts [1/4-28 x 4.250 in. UHL, 5/16 in. Wrench, Stainless Steel, Polished]

$2999
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

1/4'' Bolts, 5/16'' Wrenching, Fine Thread
12-Point Head SAE Bolts
  • 1/4-28 Thread
  • 4.250 in. Underhead Length
  • 1 in. Thread Length
  • Stainless Steel, Polished Finish
  • Set of 5

    Polished stainless hardware is one of the easiest ways to dress up an engine bay, but it still has to do its job. These 1/4-28 x 4.250 in. 12-point head bolts are machined to tight tolerances and polished to a bright finish, so they resist corrosion while offering far more strength than typical hardware store bolts.

    ARP 711-4250 12-Point Head SAE Bolts Features:

    • Thread Size: 1/4-28
    • Underhead Length: 4.250 in.
    • Thread Length: 1 in.
    • Grip Length: 3.250 in.
    • Head Height: 0.255 in.
    • Wrench Size: 5/16 in.
    • Collar Diameter: 0.515 in.
    • 12-Point head design
    • Stainless steel resists rust and corrosion
    • Polished finish
    • Nominally rated at 180,000 psi tensile strength
    • Sold as a set of 5
      • Convenient 5-Packs

      Now you can use premium quality ARP stainless fasteners to install almost anything. Rates at 170,000 psi to provide a substantial extra margin of safety over Grade 8 or other hardware. 5/pkg.

    Part TypeBolt Kit
    Product LineARP Bulk Fine Thread Stainless Steel Bolts
    BrandARP
    Package Height0.5
    Package Width6.0
    Package Length10.0
    Weight0.43 PG
    Part CategoryPerformance Parts
    Thread Length1 in
    Head Diameter0.515 in
    Underhead Length4.25 in (108 mm)
    Shank Length3.250 in
    QuantitySet of 5
    Fastener FinishPolished
    MaterialStainless Steel
    Thread Size1/4-28
    Fastener MaterialStainless steel
    Fastener Head Style12-point
    Head Tool Size5/16 in
    Washers IncludedYes
    Thread Size (In.)1/4-28
    Head Height0.255 in
    Fastener Yield Strength (Psi)170,000
    Part FitmentUniversal
    Head Style12-Point
    FinishPolished
    Under Head Length4.250 in
    Vendor Part Number711-4250
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning