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Texas Speed & Performance 4400HP LS3 Heads and Cam Kit Chevrolet | GMC | Pontiac 4.8 | 5.3L 1967-2024 - TSP-440HP53-KIT
Truck Heads and Cam Power Package for 4.8 and 5.3 LS Engines (435-455 HP)

Unlock the potential of your 4.8 or 5.3 LS engine with this carefully crafted Heads and Cam Power Package. Designed to deliver 435-455 horsepower, this kit is ideal for truck owners looking to boost power while maintaining excellent drivability.

Performance Gains:
With the right supporting modifications, this package will deliver between 435-455 horsepower, making it perfect for performance builds for 4.8 and 5.3 LS engines.

Additional Components Required:
To complete the installation of this Heads and Cam Package, you will need the following additional components:
Basic Heads & Camshaft Bolt Gasket Kit.

AFM and VVT Considerations: If your vehicle is equipped with Active Fuel Management (AFM) and/or Variable Valve Timing (VVT), you will also need:
DoD/AFM Delete Kit, available here.
VVT Delete Kit, available here.

Vehicle Recommendations:
Automatic Transmission: A 3200+ stall torque converter is required for automatic vehicles.
Manual Transmission: This package works well with stock gears, but for optimal performance, 3.73 or 4.10 rear-end gears are recommended.

Aggressive Sound:
This camshaft provides a lopey idle, giving your truck a race-ready sound while delivering impressive performance across the RPM range.



Features:
  • TSP Stage 4 High Lift Truck Camshaft - This TSP Stage 4 High Lift Truck Camshaft is designed for high-performance applications, delivering excellent power gains from mid-range to top-end. Perfect for aggressive setups, it offers a lopey idle and impressive performance throughout the RPM range.
  • Camshaft Specs: 223/226 duration, .600"/.600" lift, 111 LSA (Lobe Separation Angle)
  • Brawler LS6 Style CNC-Ported Cylinder Heads - These CNC-ported heads are designed to improve airflow and combustion efficiency, making them ideal for high-performance truck builds. Paired with the TSP 660 Spring Kit and Titanium Retainers, they ensure reliable performance at high RPMs.
  • Texas Speed & Performance 5/16" .080 Wall Chromoly Hardened 7.400 Pushrods - These hardened pushrods are built to handle the increased demands of your upgraded valvetrain, providing strength and durability.


Fitment:
  • Chevrolet Silverado 1500 1999-2013
  • Chevrolet Suburban 1999-2013
  • Chevrolet Tahoe 1999-2014
  • GMC Sierra 1500 1999-2013
  • GMC Yukon 1999-2014
  • Universal Retrofit 1967-2024
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Texas Speed & Performance Banner

ABOUT TEXAS SPEED AND PERFORMANCE

Texas Speed and Performance began as a small business in 2003. Texas Speed and Performance is situated in Georgetown, Texas, and is a leader in the LSx sector. Texas Speed & Performance has quickly established itself as one of the largest performance makers and retailers of premium LSX and LT1 packages in the United States. Texas Speed and Performance founders, Trevor Doelling and Jason Magnum, have a combined 30+ years of experience in the high-efficiency sector and are constantly striving to research and manufacture the highest quality performance goods for your car. This is accomplished by putting their products through their paces on their in-house futuristic super flow engine dyno. Texas Speed and Performance components can be found in some of the fastest street and competition automobiles in the country.

WHY CHOOSE TEXAS SPEED AND PERFORMANCE?

Texas Speed and Performance provides all levels of aftermarket performance products from LSx and 2014+ 6.2L LT1/LT4 performance parts, aftermarket cast cylinder heads, basic air induction exhaust, camshafts, stroker engines and in-house machining of all their engines. They are one of the largest LSx and 2014+ 6.2L LT1/LT4 specific shops in the country. Owing to their in-house cylinder head manufacturing, engine assembly, and camshaft grinding facility, they assist customers with all of their high-performance LSx and 2014+ 6.2L LT1/LT4 needs and requirements.

TEXAS SPEED AND PERFORMANCE PRODUCT LINE

Texas Speed and Performance Exhaust offers camshafts, short and long blocks, turn-key engines, valvetrain, crankshafts, rods, and aftermarket cylinder heads.

VIVID RACING-TEXAS SPEED AND PERFORMANCE

The Texas Speed and Performance products at Vivid Racing include the Texas Speed and Performance Stage 4.2 LS7 Camshaft Chevrolet Camaro, Corvette 2006-2015, which has fitment for the Chevrolet Camaro 2012-2015 and Chevrolet Corvette 2006-2013 models.

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Sale price None
Wholesale price $2,382.41
Shipping Weight: 10.00
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Product Added At Tuesday 21 January, 2025
Product Modified At Tuesday 27 May, 2025
Imported By ETLOverride
Last Edited By kathi@vividracing.com
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Vendor Inv Cost Retail Jobber MAP Core Updated
Texas Speed & Performance $2,018.99 $2,416.97 ? ? ? 2025-05-27 16:33:39


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