TSP LS3 Brawler Heads and Cam Kit

The TSP LS3 Brawler Heads and Cam Kit is designed for enthusiasts looking to maximize the performance potential of their LS3-based engine with a proven combination of CNC-ported cylinder heads and a camshaft tailored to their specific goals. Built around high-flow Brawler LS3-style rectangle-port cylinder heads, this package allows you to select the ideal Texas Speed camshaft for your application, whether you're building a street cruiser, weekend warrior, track-focused machine, or high-performance naturally aspirated setup.

By combining premium airflow improvements with a camshaft matched to your vehicle and performance objectives, this package delivers a flexible foundation capable of supporting a wide range of horsepower targets while maintaining excellent reliability and drivability when properly configured.

Features

Choose-Your-Cam Configuration – Select the Texas Speed LS3 camshaft that best matches your driving style, converter, gearing, and performance goals.
Brawler LS3 CNC-Ported Rectangle-Port Cylinder Heads – Improved airflow and combustion efficiency for LS3 and other rectangle-port LS applications.
Scalable Performance – Power output, idle characteristics, and drivability vary based on camshaft selection and supporting modifications.
Designed to support naturally aspirated and power-adder combinations.

Kit Includes

Brawler LS3 Style CNC-Ported Rectangle-Port Cylinder Heads
Your Choice of Texas Speed LS3 Rectangle-Port Camshaft
Texas Speed & Performance 5/16" .080 Wall Chromoly Hardened Pushrods (length determined by camshaft and application)

Fitment

LS3 Equipped Vehicles and Engine Swaps
L99 Applications (AFM/DOD delete may be required)
LSA and Other Rectangle-Port LS Engines (verify application requirements)
Compatible with GM Gen IV Rectangle-Port LS Platforms

Important Notes

No fixed horsepower rating. Performance gains vary based on camshaft selection, compression ratio, supporting modifications, and tuning.
Professional tuning is required after installation.
Idle quality, vacuum characteristics, and drivability depend on the selected camshaft profile.
Torque converter and gearing requirements vary based on camshaft choice.

Required for Installation

LS3 Head and Camshaft Gasket Kit
New Head Bolts or Head Studs Recommended
Valve Springs Matched to Camshaft Selection
If Equipped with AFM/DOD or VVT, Additional Delete Components May Be Required

Supporting Modifications

Higher Stall Torque Converter May Be Recommended Depending on Camshaft Selection
Appropriate Rear Gear Ratio Can Improve Overall Performance
Long-Tube Headers, Intake Upgrades, and Exhaust Improvements Will Help Maximize Results
Fuel System Upgrades May Be Required for Higher Horsepower Combinations

Note: The TSP LS3 Brawler Heads and Cam Kit is designed to provide a customizable performance package for LS3-based engines. Final horsepower, torque, idle quality, and drivability characteristics will vary based on camshaft selection, vehicle configuration, and supporting modifications.