Engines and Components Harmonic Balancers

ARP

ARP Big Block Chevy Balancer Bolt Kit

$23.92

SKU: A00M 135-2501

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ARP 135-2501 is a Big Block Chevy balancer bolt kit for harmonic dampers. It ensures the balancer is locked into position, absorbing significant energy. The kit features a 12-point head for easy socket access and is made from black oxide finished 8740 chromoly.

This kit includes one bolt and is designed for various Chevrolet Big Block engine applications, including 396, 402, 409, 427, 454, 496, 502, and 572ci engines. It has a thread size of 1/2 in.-20 and an underhead length of 1.550 in.

Fitment

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Specifications

BrandARP
Part NumberA00M 135-2501

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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