Engines and Components Cylinder Heads and Components

ARP

ARP M10 x 4.125in - 1.25/1.50 Broach Main Stud (one stud)

$5.31

SKU: A00M AM4.125-1LB

In Stock
In Stock
Ships by Jul 30
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The ARP AM4.125-1LB is a single broached main stud designed for high-performance applications. It is constructed from 8740 chromoly steel with a black oxide finish for durability.

This stud features a 4.125-inch overall length with a M10 x 1.5 base thread size and a M10 x 1.25 top thread size. It is sold individually and designed with a broached Allen head end for convenient installation. Nuts and washers are sold separately.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandARP
Part NumberA00M AM4.125-1LB

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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