Engines and Components Cylinder Heads and Components

ARP

ARP 1/4-20 x 4.250in UHL Hex Stainless Steel Bolts (5/pkg)

$17.46

SKU: A00M 621-4250

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 621-4250

MIA's Description

The ARP 621-4250 is a set of stainless steel hex head bolts. These bolts feature a polished finish and have a 1/4 in.-20 RH thread size with an underhead length of 4.250 inches. They are made from ARP Stainless 300 material, offering a tensile strength of 180,000 psi.

Each set includes 5 bolts and washers, and is sold as a set. Anti-seize is recommended for use on all stainless steel fasteners.

Fitment

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Specifications

BrandARP
Part NumberA00M 621-4250

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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