LS & HEMI Chop & Tune Kits
Our All-In-One Chop & Tune Kits combine performance hardware and professional tuning for your GM LS or Chrysler/Dodge/Ram HEMI vehicle. Designed for street and performance builds from 1998 through 2025, each bundle delivers a complete tuning solution — from camshaft to calibration.
Supported Platforms
✅ GM LS & LT Platforms: 1998–2025 Silverado, Sierra, Camaro, Corvette, GTO, and more.
✅ Chrysler / Dodge / Ram HEMI Platforms: 5.7L, 6.1L, and 6.4L HEMI Chargers, Challengers, Rams, and SUVs.
Check supported vehicles here
Basic Tune Kit
Perfect for stock or lightly modified vehicles. Includes the HP Tuners MPVI3 and a custom pre-written tune file tailored to your VIN and current setup.
- 📦 HP Tuners MPVI3 Device
- 🧠 Custom Tune File
Cam & Tune Kit
A perfect mid-level upgrade for those who want performance and that signature cam chop. Includes your choice of camshaft, MPVI3, and a full custom tune.
- 🏁 Texas Speed Chopacabra (or optional cam)
- 📦 HP Tuners MPVI3
- 🧠 Custom Tune File
Complete Chop & Tune Kit
Our full package — everything you need for a full cam swap and performance tune. Perfect for aggressive builds that want maximum power and reliability.
- 🏁 Camshaft (Texas Speed Chopacabra or other)
- 🧩 Valve Springs, Seals, & Pushrods
- 📦 HP Tuners MPVI3
- 🧠 Custom Tune File
How It Works
- 📧 Email your vehicle details (year, make, model, engine, and modifications) to tunes@jrjonesracing.com.
- 📦 We ship your HP Tuners MPVI3 and selected parts directly to you.
- 🔌 Use your MPVI3 to perform a Factory Read of your ECM.
- 📤 Send your read file to us — we’ll build your custom tune and email it back ready to flash.
Note: Only HP Tuners files are accepted. Tune delivery typically within 24 hours based on workload.
See Our Tunes In Action
Installation Packages Available
Need the right parts to install your cam and tune? We offer Heads-On Cam Installation Kits for 1998–2006 GM LS platforms — complete with every OEM gasket, seal, and bolt required to do the job without removing cylinder heads.
Because every LS build is a little different, it’s always best to email us your VIN number first so we can custom-build a kit that fits your exact setup.
Coming soon: video installation guides, tips, and tricks to walk you through the process step-by-step.