Engines and Components› Harmonic Balancers

Professional Products

BBC Counterweight Damper - 454/502

$23.08

SKU: P021 91005

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Professional Products 91005 is a harmonic balancer counterweight designed for specific Chevy big block Mark IV V8 engines. It is an external balance component that is sold individually. This counterweight is manufactured to precise specifications, with a tolerance of +2 grams.

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

BrandProfessional Products
Part NumberP021 91005

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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