Speedmaster Mopar Chrysler BB 383 440 7.000" Internal Fluid Damper Harmonic Balancer SFI 18.1

The Speedmaster PCE291.1067 is a precision-engineered internal fluid damper harmonic balancer designed specifically for Mopar Chrysler big-block engines, including 383 and 440 cubic-inch models. This 7.000" diameter balancer features internal fluid damping technology to absorb crankshaft vibrations and protect your engine from harmonic resonance damage. SFI 18.1 certification ensures this component meets the stringent safety and performance standards required for high-performance and racing applications.

Built for reliability and durability, this harmonic balancer integrates seamlessly with your engine's crankshaft to maintain optimal balance and reduce stress on bearings and related components. The internal fluid design provides superior vibration dampening compared to traditional rubber-ring designs, making it an excellent choice for street performance, racing, and engine rebuilds. Whether you're restoring a classic Mopar muscle car or upgrading an existing 383 or 440-powered engine, this damper delivers the precision fitment and performance protection your engine demands.

Key Features & Benefits

• Internal Fluid Damping: Absorbs crankshaft vibrations and reduces harmful harmonic resonance in big-block engines.
• SFI 18.1 Certified: Meets safety and performance standards for high-performance and racing applications.
• Engine-Specific Fit: Designed exclusively for Mopar Chrysler BB 383 and 440 cubic-inch engines.
• 7.000" Diameter: Precise sizing ensures proper crankshaft engagement and balanced operation.
• Durable Construction: Built for long-term reliability in performance and racing environments.

Specifications

Ideal Applications

• Engine rebuilds for Mopar Chrysler 383 and 440 big-block engines
• High-performance street and racing applications
• Classic muscle car restoration and upgrades
• Harmonic balancer replacement for worn or damaged units