Chevy Performance LS376/480 Connect & Cruise Powertrain System – 6.2L Engine with 4L70-E Automatic Transmission


  • LS376/480 (376 cu in) 495 hpEngine
  • .525″ intake/exhaust lift “Hot Cam”
  • 4L70-E Four-Speed Automatic Transmission
  • Engine and Transmission Control Modules
  • Exhaust Manifolds NOT INCLUDED

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SKU: CPSLS3764804L70E Categories: , Tag:

LS3 Connect & Cruise with 4L70-E Transmission

This LS3 6.2L Connect & Cruise system’s capable Hot Cam adds even more horsepower to the already potent LS3….and mixing the LS Hot Cam with the powerful LS3 6.2L takes affordable performance to a great level. The 495 horsepower and 473 lb.ft. of torque that this engine offers will take your resto-mod muscle car, street rod or classic truck to the next level. With one all-inclusive package you get the engine, automatic transmission, electronic controllers and all the necessary wire harnesses – delivered for less than the cost of buying the components separately.

Chevy’s engines and transmissions are matched for optimal performance and durability, so you can push for every possible bit of horsepower with total confidence. The 4L70-E four-speed automatic overdrive transmission backs this LS376/480 with strength and durability. Put this combo to work in your classic cruiser and enjoy a great balance of performance and efficiency. The specially calibrated controllers are designed for retrofit installations in older vehicles, for easier and quicker installation and for operation without the need for 3rd party tuning.

Chevrolet’s Connect & Cruise lineup includes several emissions-compliant E-ROD systems available in both automatic and manual. Each system is designed and calibrated to perfectly match the engine powertrain systems and is covered by a 24-month / 50,000-mile limited warranty. When it comes to performance innovations that save time, money and guesswork, Chevy crate engines and Connect-and-Cruise systems lead the way – just install, connect, and start cruising.

What’s Included

This Chevrolet Performance LS3 Connect & Cruise crate powertrain system includes:

  • Chevy Engine (19434638)
  • Engine Control System (19354330)
  • Automatic Transmission (19368613)
  • Torque Converter (19299803)
  • Transmission Control System (19302405)
  • Transmission Installation Kit (19259117)
  • Two oxygen sensors and mounting bosses (for installation in the exhaust system)
  • Mass airflow meter and mounting boss (for installation in the air intake system)
  • Throttle pedal assembly (for use with the electronically operated throttle)
  • Assembled wiring harness w/ fuse box and necessary cam and MAP sensor jumpers
  • Oil pressure sensor that is compatible with the harness
  • Instruction sheet

NOTE: All components, engine, transmission, controllers and installation kits are ordered and delivered separately.

Important Notes

For a complete installation, the builder will need to source additional components to complete the engine assembly and get the vehicle running, including:

  • Fuel tank and fuel lines (re-circulating or returnless)
  • Fuel pump – 58 psi (400 kPa) for all engines except LSA, which requires 65 psi (450 kPa)
  • Air induction system that incorporates the mass airflow sensor

Additionally, this engine requires a front-end accessory drive system. The instructions included with each kit lists recommendations and Chevrolet Performance offers several configurations to suit different applications. Each allows the installer to easily delete air conditioning. Note that exhaust manifolds are NOT INCLUDED.

We also recommend the LS1 Engine Installation Guide P/N 88959384, which illustrates basic procedures and offers helpful tips on installing an LS engine into older vehicles.


LS3 Connect & Cruise with 4L70-E Automatic Transmission Tech Specs

Engine Specs:

  • Engine: LS376 / 480 (376 cu in)
  • 495 hp @ 6,200 rpm
  • 473 lb.-ft. @ 5,000 rpm
  • 10.7:1 compression ratio

Transmission Specs:

  • 4L70-E four-speed automatic
  • Five-pinion gearsets
  • 3.06 first gear ratio, 0.70 overdrive ratio
  • 30.75 inches long (approx)

Dyno Chart



LS376/480 Connect & Cruise with 4L70-E Transmission

Chevrolet Performance recommends the LS1 Engine Installation Guide P/N 88959384, which illustrates basic procedures and offers helpful tips on installing an LS engine into older vehicles.

LS376/480 Connect & Cruise with 4L70-E Transmission

Chevrolet Performance Connect & Cruise Powertrain Systems include a 24-month or 50,000-mile (80,000 kilometer) limited warranty on all components.

Click here for more detailed warranty information.

This product qualifies for a $500/$750/$1,000 Rebate from Chevrolet Performance.

To receive the rebate:

  1. Purchase a select Chevrolet Performance Connect & Cruise System between 1/1/2023 and 12/31/2023
  2. Complete all information requested on this form and mail it by January 31st, 2024, OR
  3. Submit your rebate online at before the same deadline

See rebate form for more details.

NOTE: Please allow up to 6-8 weeks for rebate processing.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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