Texas Speed NSR 6.2 LS Chopacabra

Texas Speed & Performance Chopacabra NSR Camshaft – No Springs Required

Ready to bring the chop without tearing into the valvetrain? The new Chopacabra NSR (No Springs Required) Camshaft delivers the unmistakable idle and attitude you expect from the Chopacabra lineup — without needing an upgraded valve spring kit. If you're looking for aggressive sound and a stealthy install, this cam was built for your 6.0L or 6.2L LS build.

Camshaft Specifications:

• Duration @ .050” (Intake/Exhaust): 216° / 230°
• Lift (Intake/Exhaust): .495" / .495"
• LSA: 108°
• ICL: 110° (108+2)
• Overlap: Aggressive – maximum chop at stock lift

Fitment:

• 6.0L & 6.2L LS Engines
• Designed for LS3-style rectangular port cylinder heads (L92, LS3, L99, etc.)
• Compatible with stock intake, stock valve springs, and stock pushrods

Features & Requirements:

• No valve spring upgrade required – NSR design built to work with stock springs
• Can be used with stock pushrods
• Compatible with factory torque converter
• Custom tuning is required

Dyno Proven Results:

This cam was tested on a real-world setup using completely stock valvetrain components:

• Engine: 370 CID LQ4-Based Short Block
• Compression: 10:1
• Cylinder Heads: Stock L92 with 180K mile valve springs
• Intake: Stock L92 Intake Manifold
• Fuel: 93 Octane Pump Gas

The Chopacabra NSR gives you the sound of a full cammed LS build — with none of the extra work. If you're looking for the easiest way to add lope to your LS3-headed 6.0 or 6.2, this is it.