The Driveshaft Shop 4″ Aluminum 1-Piece Direct Fit CV Driveshaft is a serious drivetrain upgrade designed for 2015+ Dodge Challenger Hellcat and Demon models equipped with an automatic transmission. Built to handle up to 1,200 horsepower, this aluminum driveshaft replaces the factory-style shaft with a stronger, more responsive one-piece design engineered for high-performance Gen 3 HEMI applications. DSS uses a direct-fit rear CV that seats inside the factory pinion flange, eliminating the rear adapter plate used by earlier aftermarket designs. Chromoly CV internals, solid connections, and precise alignment help transfer power through the drivetrain while improving response compared with the factory soft rubber-mounted shaft. For modified Hellcat and Demon owners putting significantly more power to the ground, this driveshaft provides the strength and construction needed to support demanding street and track combinations.

The direct-fit design is one of the biggest advantages of this Driveshaft Shop system. Instead of relying on an adapter plate at the rear differential, DSS uses a precision-ground CV engineered to fit inside the pinion flange in a similar manner to the factory configuration. Eliminating the adapter plate reduces unnecessary components while helping improve drivetrain response and power-handling capability.

Construction centers around a 4-inch aluminum driveshaft paired with DSS CV technology and Chromoly internal components. The combination provides the strength required for heavily modified supercharged HEMI applications while retaining an aluminum shaft design. The manufacturer rates the driveshaft at 1,200 horsepower, making it well suited to everything from upgraded street Hellcats to more aggressive pulley, E85, supercharger, and engine combinations.

Upgrading the driveshaft becomes increasingly important as power and traction increase. A modified 6.2L HEMI equipped with additional boost, improved fueling, custom tuning, and a capable tire can place considerably greater loads on the drivetrain than a stock combination. Replacing the factory driveshaft with a purpose-built performance unit helps create a stronger connection between the transmission and rear differential while supporting the demands of higher-output builds.

DSS designed this driveshaft specifically for 2015+ Challenger Hellcat and Demon automatic applications. The 2015+ design does not require driveshaft spacers, simplifying the overall installation configuration. Exhaust clearance must still be checked carefully, as DSS notes that exhaust modification may be necessary to provide approximately 0.75 inch of clearance around the driveshaft.

An important installation requirement is the use of a rear subframe or cradle lockout kit. Driveshaft Shop requires the rear cradle to be properly reinforced and movement limited before its one-piece driveshaft is installed. Failure to install the appropriate cradle lockout can damage the driveshaft and void the manufacturer’s warranty. This makes supporting rear suspension and cradle upgrades an important part of planning the complete drivetrain combination.

Whether you’re building a responsive street Hellcat or a high-horsepower Challenger that regularly sees the drag strip, the Driveshaft Shop 4″ Aluminum 1-Piece Driveshaft provides a direct-fit, 1,200 HP-rated solution designed to get Gen 3 HEMI power to the rear wheels with confidence.

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Specifications & Features

• Manufacturer: The Driveshaft Shop (DSS)
• Product: 4″ Aluminum 1-Piece Direct Fit CV Driveshaft
• DSS Part Number: CHSH36-A
• SKU: 610250
• Product Type: Performance 1-Piece Driveshaft
• Driveshaft Diameter: 4 inches
• Material: Aluminum
• CV Construction: Direct-fit rear CV with Chromoly internals
• Horsepower Rating: 1,200 HP
• Engine Compatibility: 6.2L Supercharged Gen 3 HEMI
• Vehicle Compatibility: Dodge Challenger SRT Hellcat and compatible Dodge Challenger Demon applications
• Transmission Compatibility: Automatic transmission
• Year Compatibility: 2015+
• Weight: 40 lbs
• Dimensions: 77 x 6 x 6 inches
• Color / Finish: Natural aluminum with associated finished drivetrain components
• Design: 1-piece aluminum construction
• Rear Connection: Precision-ground direct-fit CV designed to fit inside the factory pinion flange
• Rear Adapter Plate: Not required
• Driveshaft Spacers: Not required on this 2015+ application
• Chromoly Components: Chromoly CV internals
• In the Box: Driveshaft
• Primary Benefits: Increased power-handling capability, more direct drivetrain connection, improved drivetrain response, strong CV construction, and direct-fit rear connection
• Primary Uses: High-performance street builds, drag racing, pulley and tuning combinations, E85 builds, upgraded supercharger combinations, and other high-horsepower Gen 3 HEMI applications
• Rear Cradle Requirement: Rear subframe/cradle lockout kit must be installed before driveshaft installation
• Exhaust Clearance: Approximately 0.75 inch of clearance is required. Exhaust modification may be necessary.
• Warranty: 1-year manufacturer warranty
• Warranty Requirement: Failure to properly reinforce the rear cradle and limit cradle movement can void the Driveshaft Shop warranty
• Return Note: Product is non-refundable after installation
• Fitment Note: This specific driveshaft is designed for automatic-transmission Challenger Hellcat/Demon applications. DSS offers separate driveshafts for manual-transmission and Scat Pack/SRT configurations, so verify the exact vehicle and transmission before ordering.