Engines and Components› Harmonic Balancers
Professional Products
SBM 7.3 Harmonic Damper - Non-SFI
SKU: P021 80012
Moderate — 2–4 hours
Description
Constructed from nodular iron, this damper features a neutral balance and includes three bolt-in counterweights for versatile application. It is designed to fit internally balanced 1967 and later 318 V8 engines (standard and Magnum), as well as all internally balanced 273 and 340 engines with forged cranks when used without counterweights.
Fitment
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Specifications
| Brand | Professional Products |
| Part Number | P021 80012 |
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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