SKU: FSH2120-315
MPN: 2120-315
The Steel Driveshaft 31.5in Long – 2in Dia. from Fast Shafts is designed for high-performance vehicles, street rods, and custom automotive builds where reliability under load is essential. This driveshaft is a critical component that transfers engine torque to the rear axle without flex or vibration, making it ideal for muscle car upgrades, hot rod fabrications, or classic restorations.
Constructed from high-grade steel tube with a 2-inch outer diameter, this driveshaft provides the strength and dimensional consistency necessary to handle sustained torque cycles without necking, twisting, or permanent deformation. The 31.5-inch length is specifically designed for certain vehicle applications, ensuring proper phasing between the transmission output and differential input, which is crucial for minimizing drivetrain vibration and U-joint wear.
Fast Shafts manufactures this driveshaft to tight tolerances, ensuring consistent runout and balance across every unit. This translates to smoother acceleration and an extended lifespan for components in both street and strip applications. It is particularly beneficial for builders working with small-block or big-block platforms where stock driveshaft geometry may not fit modified chassis layouts.
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