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ARP

ARP Oldsmobile 455 2-Bolt Main Bolt Kit

$88.00 $43.60 Save $44.40

SKU: A00M 185-5001

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

Easy — 1–2 hours

Description

The ARP High Performance Series Main Bolts 185-5001 is a kit of main cap fasteners designed to meet the demands of professional engine builders. These bolts are forged from 8740 chromoly steel and offer a tensile strength of 180,000 psi. They feature a reduced wrenching head, large underhead radius, and rolled threads for enhanced reliability and fatigue strength.

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 185-5001

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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