Pro Street Harmonic Damper, 28 or 50 oz, SBF V8, 66-77 Ford Bronco SKU: 8058
Pro Street Harmonic Damper, 28 or 50 oz, SBF V8, 66-77 Ford Bronco
Product Overview:
The Pro Street Harmonic Balancer is the ultimate solution for builders running a SBF 289, 302, or 351W engine—especially those who want room to upgrade without replacing parts. With its removable counterweight, this damper gives you the flexibility to switch between 28 oz and 50 oz imbalance setups with ease. It’s compatible with both 3-bolt and 4-bolt pulleys, whether you're using a V-belt or serpentine drive system. Built to perform, built to adapt—this balancer is ready for whatever your next build throws at it.
Full description
The Pro Street Harmonic Balancer is the ultimate solution for builders running a SBF 289, 302, or 351W engine—especially those who want room to upgrade without replacing parts. With its removable counterweight, this damper gives you the flexibility to switch between 28 oz and 50 oz imbalance setups with ease. It’s compatible with both 3-bolt and 4-bolt pulleys, whether you're using a V-belt or serpentine drive system. Built to perform, built to adapt—this balancer is ready for whatever your next build throws at it.
Pro Street Harmonic Balancer | 28 oz or 50 oz Options | SBF 289 302 351W
This Pro Street Harmonic Balancer is built for serious performance and flexibility, making it an ideal choice for Small Block Ford (SBF) engines including the 289, 302, and 351W. Offered in either 28 oz or 50 oz imbalance, this damper is avaialble to handle multiple engine setups—whether you're running a classic 302 or upgrading to a later-model 5.0L. It features a removable counterweight, giving you the freedom to adapt should your build evolve without replacing the entire balancer.
Designed with a dual bolt pattern, this balancer works with both 3-bolt and 4-bolt pulleys to support V-belt or serpentine configurations. It comes complete with spacers, snap ring, and adapter, and includes timing marks to align with the three different Ford factory timing pointer positions. A single counterweight is included, and additional weights are available separately.
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Versatile Fitment: Designed for SBF 289, 302, and 351W engines with either 28 oz or 50 oz imbalance.
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Removable Counterweight: Easily switch between engine types—ideal for future engine swaps.
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Dual Bolt Pattern: Accepts 3-bolt and 4-bolt pulley configurations in both V-belt and serpentine styles.
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Complete Kit: Includes spacer, snap ring, adapter, and timing marks for all Ford pointer locations.
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Adaptable Performance: Perfect for builds that evolve—one damper, multiple setups.
Built to perform, ready to evolve - the Pro Street damper works with 289, 302, and 351W engines with 28 oz or 50 oz balance. Supports 3-bolt or 4-bolt pulleys.