Sale

Fasteners Engine Fastener Kits

ARP

ARP Buick 401c i.d. Main Stud Kit

$138.83 $129.86 Save $8.97

SKU: A00M 124-5404

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The ARP 124-5404 is a High Performance Series main stud kit designed for Buick 401 Nail Head engines. It is constructed from 8740 chromoly alloy with a tensile strength of 200,000 psi. The kit features J-form threads and 1/2 inch diameter studs.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandARP
Part NumberA00M 124-5404

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.

View Full Return Policy