Dynosty CHOPacabra Cam Kit — Bolt‑In LS Truck Cam for 4.8–6.2 Vortec (1999–2013), Midrange Power

The Dynosty Texas Speed TSP CHOPacabra cam kit is a bolt-in LS truck camshaft package that delivers an aggressive exhaust chop and measurable midrange power for 4.8–6.2 Vortec engines while remaining factory-converter friendly.

If you want an unmistakable midrange bark and improved crank horsepower without sacrificing everyday drivability, the TSP CHOPacabra cam kit is engineered for cathedral-port LS truck heads. Designed around a 214/222 duration split with .550/.550 lift, 108 LSA and 106 ICL, this kit includes beehive springs, OE-style seals and replacement pushrods so installers get a complete, reliable package optimized for factory torque converters and street use.

What performance changes can I expect after installing the CHOPacabra cam kit?

On dyno tests this cam package produced notable gains in the midrange and peak output, translating to quicker acceleration and a deeper exhaust tone. Expect stronger torque through the 2,000–5,500 rpm window and a pronounced chop at tip-in and decel.

• Measured gains: about +65–67 hp and +25–26 ft·lbs at the crank (dyno-tested)
• Operating RPM: effective from 1,200 to 6,500 rpm
• Designed to improve midrange response for street and light performance driving

Which engines and components are compatible with this camshaft kit?

The kit is built for GM Vortec truck engines with cathedral-port heads from model years 1999–2013. It works best on 4.8L, 5.3L, 5.7L and 6.0L blocks when matched to the recommended spring and compression ranges.

• Suitable blocks: 4.8, 5.3, 5.7, 6.0 (cathedral-port heads)
• Recommended compression: 9.5:1 or higher for optimal performance
• Required springs: GM LS6 beehive valve springs (included .560 lift springs)

Will I need a high-stall torque converter or upgraded rear gears?

One of the CHOPacabra kit's advantages is compatibility with stock driveline components; it's tuned to work with factory stall converters and does not demand immediate rear-gear changes. That said, drivetrain optimization can enhance results depending on vehicle use and weight.

• Aftermarket stall converter: not required — factory converter friendly
• Rear gear upgrade: not required for basic use; consider upgrades for heavy towing or race setups
• Pushrods and valve seals: OE replacement pushrods and valve seals included for a complete install

How does the kit affect daily drivability and sound?

The cam offers a street-oriented balance of character and usability: it gives a pronounced, aggressive exhaust chop while maintaining smooth idle and good low-speed manners. Drivers report excellent street drivability combined with a more muscular midrange pull.

• Idle and low-speed behavior: retains good drivability for daily use
• Exhaust character: strong chop and snarling tone at throttle transitions
• Usability: well-suited to street trucks that need personality without compromise

Who is this for: The Dynosty Texas Speed TSP CHOPacabra cam kit is aimed at truck owners and LS enthusiasts seeking a bolt-on package that adds aggressive sound and notable midrange power without requiring major drivetrain swaps. It’s ideal for cathedral-port LS 4.8–6.0 engines used in daily drivers, weekend cruisers and mild performance builds where a factory-converter-friendly solution and included springs, seals and pushrods simplify installation.