Engines and Components› Cylinder Heads and Components

ARP

ARP 1/4-20 x 4.500 12pt Stainless Steel Bolts (Set of 5)

$45.90

SKU: A00M 611-4500

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In Stock
Ships by Jun 18
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Non-Returnable Item
INSTALL DIFFICULTY
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Easy — 1–2 hours

Description

The ARP 611-4500 is a set of five stainless steel bolts designed for automotive applications. These bolts feature a 1/4 in.-20 RH thread size and a 4.500 in. underhead length. They are constructed from ARP Stainless 300 material, offering a polished finish and a tensile strength of 180,000 psi.

The fasteners include a flanged 12-point head style, requiring a 5/16 in. wrench diameter, and washers are included. ARP stainless steel bolts are rated at 170,000 psi, providing a significant safety margin. A special note advises using anti-seize on all stainless steel fasteners.

Fitment

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Specifications

BrandARP
Part NumberA00M 611-4500

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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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