454HO Connect & Cruise Powertrain System with 4L85-E Automatic Transmission


  • 454HO (454 cu. in.) 438 HP Engine
  • Rectangular-port head w/ hyd. roller cam.
  • Includes Water Pump, Balancer & Intake
  • 4L85-E Four-Speed Auto. Trans. w/Control Module
REBATE AVAILABLE: $500/$750/$1,000 Prepaid VISA Gift Card From Chevrolet Performance. See 'Rebate' tab below for details.
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SKU: CPS454HO4L85E Categories: , Tag:

454HO Connect & Cruise with 4L85-E Transmission

Engine Specs:

  • 454HO 7.4L (454 cu in)
  • 438 hp @ 5,300 rpm
  • 500 lb.-ft. @ 3,500 rpm
  • 8.75:1 compression ratio

Transmission Specs:

  • 4L85-E four-speed automatic
  • High-performance valve body and clutches
  • 2.48:1 first gear ratio, 0.75 overdrive ratio
  • 32.6875 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 all 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.


454HO Connect & Cruise with 4L85-E Transmission

CPS454HO4L85E System Components:

12568774 ? Engine
19300175 ? Automatic Transmission
19299804 ? Torque Converter
19332780 ? Transmission Control System
19332784 ? Transmission Installation Kit

Big Torque on a budget with a strong overdrive transmission for performance and efficiency!

The Chevrolet Performance 454 HO crate engine is a Big-Block bargain ? an affordable engine with performance specs that will make you think it’s 1970 all over again!

A new-style block casting with four-bolt main caps includes an all-forged rotating assembly for great strength and durability. It also uses a smooth hydraulic roller camshaft for excellent drivability and asphalt-destroying performance. Rectangular-port cylinder heads with large, 2.19/1.88-inch valves, round out the assembly.

The 4L85-E four-speed overdrive transmission channels that Big-Block torque with exceptional strength and precision, while keeping the revs manageable for highway cruising.

Dyno Chart

454HO Connect & Cruise with 4L85-E Transmission

Click here to download installation information.

454HO Connect & Cruise with 4L85-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