TSP LS 4.8/5.3 NSR RV Camshaft

TSP NSR RV Camshaft – 5.3L / 4.8L LS (No Springs Required)

The TSP-NSR-RV-5.3 Camshaft is our modern twist on the classic small block RV cam. Designed specifically for 4.8L and 5.3L LS truck engines, this cam delivers maximum low-end torque for towing, off-road, and daily driving. It's the ideal upgrade for anyone wanting more grunt without giving up reliability or drivability.

Camshaft Specifications:

• Duration @ .050” (Intake/Exhaust): 208° / 216°
• Lift (Intake/Exhaust): .495" / .495"
• LSA: 110°
• ICL: 107° (110+3)
• Powerband: Low-end to mid-range torque
• Estimated Gain: Up to +40 HP

Why Choose the RV Cam?

• No Springs Required: Designed to work with stock LS valve springs
• Uses Stock Pushrods: No additional valvetrain upgrades needed
• Retains Stock Converter: Works with your factory 4L60E or 4L80E torque converter
• Great for Towing: Increases torque right where you need it most
• Mild Overlap: Smooth idle with daily-driver-friendly behavior

Whether you're hauling a trailer, building an off-road rig, or just want more usable torque on the street, the TSP NSR RV Camshaft gives your 5.3 or 4.8 the kind of low-end punch you'd expect from a classic small block upgrade — but with modern LS reliability.