Engines and Components› Cylinder Heads and Components

ARP

ARP 1/4-20 x 1.000 Hex SS Bolts

$10.31

SKU: A00M 621-1000

In Stock
In Stock
Ships by Jul 30
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ARP Hex Bolt Kit (621-1000) is a fastener kit featuring 1/4 in.-20 thread size bolts with a 1.000 inch underhead length. These bolts are constructed from ARP Stainless 300 material with a polished finish and a flanged hex head style, requiring a 5/16 inch wrench. The kit includes washers and offers a tensile strength of 180,000 psi.

Fitment

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Specifications

BrandARP
Part NumberA00M 621-1000

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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