Out of stock
SKU: TFS7078NA
UPC: 698252004459
MPN: 7078NA
The Ford Alt 70 Amp Chrome 1 Groove Pulley by TUFF-STUFF is an essential upgrade for any Ford engine swap, high-output charging system, or OEM alternator replacement project. This single-groove pulley serves as the belt-drive interface between your alternator and engine crankshaft, directly controlling charging speed and system reliability. Whether you're building a classic restoration, upgrading to a modern 70-amp alternator, or maintaining consistent electrical output under performance driving conditions, this pulley ensures proper belt engagement and efficient power delivery to your vehicle's electrical system.
Constructed from durable chrome-plated steel, the single-groove design accommodates a standard serpentine or V-belt configuration matched to Ford's factory pulley dimensions. The one-groove layout is purpose-built for 70-amp alternator output, optimizing belt tension and rotational speed ratios to maximize charging efficiency without overdriving the alternator at idle or cruise. Chrome plating provides both corrosion resistance and a finished appearance that complements classic engine bays while maintaining structural integrity in high-heat and high-humidity environments. The precision engineering ensures balanced rotation, reducing vibration that can otherwise compromise alternator bearing life or cause belt slippage during peak electrical demand.
This pulley is ideal for restorers, hot rodders, and mechanics upgrading late-model Ford charging systems into classic vehicles or those replacing worn factory units. Installation requires basic hand tools and familiarity with belt routing; the pulley bolts directly to your alternator shaft in place of the OEM unit. Verify your engine's belt path and alternator mounting location before ordering to ensure compatibility with your specific Ford year and model. Proper belt tension is critical—too loose and your alternator undercharges; too tight and you risk premature bearing wear, so adjust tension to manufacturer specifications after installation.
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