TSP LS 6.0 NSR Chopacabra Camshaft

Competition Use Only, Not Legal for Road Use

TSP NSR Chopacabra Camshaft – 6.0L LS (No Springs Required)

The TSP-NSR-Chopacabra-6.0 Camshaft brings the legendary sound of the Chopacabra series to cathedral-port 6.0L LS engines — all without requiring valve spring upgrades. With aggressive overlap and a wicked idle, this cam delivers a choppy, rowdy sound in a drop-in format that works with stock springs, pushrods, and torque converters.

Camshaft Specifications:

• Duration @ .050” (Intake/Exhaust): 220° / 228°
• Lift (Intake/Exhaust): .495" / .495"
• LSA: 108°
• ICL: 106°
• Sound Profile: Choppy idle with maximum overlap
• Estimated Gain: 50–70+ HP depending on setup

Why Choose the Chopacabra NSR Cam?

• No Springs Required: Works with factory LS valve springs
• Stock Pushrods Compatible: No need for additional valvetrain changes
• Retains Factory Converter: Perfect for 4L80E/4L60E applications
• Rowdy Chop: Signature idle that’s unmistakable at any cruise night
• Maximum Overlap: Lopey and aggressive, without hurting low-speed drivability

Dyno-tested on a 370 CID LQ4 engine with 10:1 compression, stock 317 cathedral heads, and a TBSS/NNBS intake manifold running on 93 octane pump gas, this cam delivers strong midrange power gains while keeping install costs low.

If you want maximum sound without added parts, the TSP NSR Chopacabra Camshaft for 6.0L gives you that unmistakable cammed idle in a hassle-free, stock-spring compatible package.