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LS7 7.0L (505 hp) Connect & Cruise Powertrain System with 4L70-E Automatic Transmission

Brand: Chevrolet Performance

Part Number: CPSLS74L70E




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  • LS7 7.0L (427 cu in) 505 hp Engine
  • Hand-Assembled in Bowling Green, KY
  • 4L70-E Four-Speed Automatic Transmission
  • Engine and Transmission Control Modules

Connect and Cruise Rebate


LS7 Connect & Cruise with 4L70-E Transmission

CPSLS74L70E System Components:

19329246 – Engine
19354334 – Engine Control System
19368613 - Transmission
19299802 or 19299803 – Torque Converter
19302405 – Transmission Control System
19259117 – Transmission Installation Kit.

A living legend with 427 cubic inches of modern firepower!

Destined for the hall of fame of production engines, this is the same legendary 7.0L LS7 that made the Corvette Z06 an icon. Within its classic 427-cu-in displacement, engineers extracted Big-Block grunt from this high-revving LS package.

It features a unique, big-bore cylinder block that is anchored with a forged crankshaft, featherweight titanium connecting rods, and friction-coated pistons. But it’s the airflow capability of the cavernous, CNC-ported heads that enables its tremendous power. Large-volume, straight-passage intake runners channel air directly through 2.20-inch titanium intake valves.

All this adds up to make the ultimate resto-mod statement in a classic Corvette, Chevelle or Camaro. We match it with the strong 4L70-E four-speed automatic to ensure all 470 lb.-ft. are transmitted to the Tarmac with dependability while the overdrive keeps the cruising RPM low. Choose one of two torque converters for this application; P/N 19299802 or P/N 19299803 with 2400-2800 RPM stall speed or 3000-3400 RPM stall speed, respectively.



LS7 Connect & Cruise with 4L70-E Transmission

Engine Specs:

  • LS7 7.0L (427 cu in)
  • 505 hp @ 6,300 rpm
  • 470 lb.-ft. @ 4,800 rpm
  • 11.0:1 compression ratio

Transmission Specs:

  • 4L70-E four-speed automatic
  • Torque Converter P/N 19299802 - 2400-2800 RPM stall speed
  • Torque Converter P/N 19299803 - 3000-3400 RPM stall speed
  • Five-pinion gearsets
  • 3.06 first gear ratio, 0.70 overdrive ratio
  • 30.75 inches long (approx.)


More about Connect & Cruise Crate Powertrain Systems

The Complete Performance Package!

When it comes to factory-engineered performance and convenience, nothing beats Chevrolet Performance's industry-exclusive Connect & Cruise powertain systems. With one package you get the engine, automatic or manual transmission, electronic controllers and al the necessary wire harnesses. Even better, we deliver it for less than the cost of buying the components separately.

Our engineers matched the engines and transmissions for optimal performance and durability, so you can wring out every horsepower with total confidence! The specially calibrated controllers are designed for retrofit installations in older vehicles, for easier and quicker installation – and more importantly – operation without the need for third-party tuning.

The Connect & Cruise lineup even includes several emissions-compliant E-ROD systems in both automatic and manual.

We did the work to design and calibrate perfectly matched powertrain systems and covered them with a 24-month / 50,000-mile limited warranty.

Chevrolet Performance pioneered the performance crate engine, so when it comes to performance innovations that save time, money and guesswork, we once again lead the way! All you have to do is install, connect, and start cruising!

NOTE: All components, engine, transmission, torque converter and controllers are ordered and delivered separately.

Connect & Cruise Builders Guide

Each Chevrolet Performance Connect & Cruise crate powertrain system includes:

  • Brand-new, fully assembled crate engine
  • Brand-new automatic or manual transmission
  • SuperMatic™ transmission control module and harness
  • Calibrated engine control module
  • 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

To facilitate 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, all engines require 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.

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.

LS7 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.

LS7 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.

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