- Engines & Components
- Engine - Assembled / Ready-to-Run
- Chevrolet Performance ZZ454/440 469HP Connect & Cruise Automatic Transmission Powertrain System
Aluminum Heads Add Big Power! When it comes to performance innovations that save time, money and guesswork, Chevrolet Performance once again leads the way!
Chevrolet Performance pioneered the concept of crate engines more than four decades ago, and continues to lead the industry with their unprecedented Connect & Cruise crate powertrain systems - factory-engineered engine and transmission combinations that include all the electronic control modules, wiring harnesses and other key components.
Chevrolet Performance engineers matched the engines and transmissions for optimal performance and durability, so you can wring out every horsepower from them with total confidence! The specially calibrated controllers are designed for retrofit installations in older vehicles, for easier and quicker installation and operation without the need for third-party tuning.
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The convenience of a crate engine, the assurance of factory validate performance and the value of an inclusive package - that's what you get with Chevrolet Performance's Connect & Cruise crate powertrain systems.Each kit delivers a brand-new, fully assembled crate engine, a brand-new or remanufactured electronically controlled overdrive transmission, and the electronic transmission control module to get it all running in your project vehicle.
Chevrolet Performance engineers matched the engines with their respective transmissions, ensuring they are up to the task of channeling big power with absolute dependability. The engine is traditional Big-Block Chevy design that was a staple for decades in rear wheel drive production-vehicles. The connect & cruise systems' unique SuperMatic transmission controllers is designed to work with the carbureted engine for a seamless, "plug-and-play" installation that is quick, easy and intuitive. Detailed instructions outline all the necessary steps.
The engineers did all the hard work of designing and calibrating perfectly matched powertrain systems - and they covered them with a 24-month/50,000-mile limited warranty.
ZZ454/440 Engine
The engineers at Chevrolet Performance took the tough 454 HO and matched it with a set of higher-flow, oval-port aluminum cylinder heads to pick up an additional 30 horsepower while still delivering an awesome 519 lb.-ft. of torque. It's an affordable high performance Big-Block for your project vehicle!
Aluminum oval-port cylinder heads with 2.19/1.88-inch valves process the airflow through this big power Big-Block and saves weight over iron cylinder heads. They're mounted on their latest generation block casting with four-bolt main caps, which is filled with an all-forged rotating assembly for exceptional strength and durability. There's also a high-lift hydraulic roller camshaft for excellent drivability and a broad performance range.
The engine package includes a water pump, balancer, 14-inch flexplate, and dual-plane intake manifold. Any of our JEGS technical advisors can hook you up with the carburetor, starter, ignition system and other accessories needed to get this big power Big-Block up and running.
Specifications:
- Horsepower: 469 @ 5500 RPM
- Torque: 519 ft/lbs @ 3700 RPM
- Block: Cast Iron w/4-Bolt Main Caps
- Crankshaft: Forged Steel
- Connecting Rods: Forged Steel
- Pistons: Forged Aluminum
- Camshaft: Hydraulic Roller
- Cylinder Heads: Oval Port Aluminum, 2.19" in/ 1.88" ex Valves
- Intake Manifold: Aluminum Dual Plane
- Balanced: External
- Compression Ratio: 9.6:1
- Rocker Arms: 1.7:1
- Recommended Fuel: Premium Pump
SuperMatic 4L85-E Four-Speed Automatic Transmission
If you’re looking to wring all the horsepower from your engine, look no further than Chevrolet Performance's heavy-duty SuperMatic 4L85-E Four-Speed Automatic Transmission. An extension of the TH400, widely considered one of the greatest transmissions ever manufactured, the 4L85-E continues the tradition of harnessing large outputs of power for optimal performance.
Advantages of the 4L85-E include an improved valve body, overdrive gear, and advanced electronic controls. The result is a transmission that delivers firm shifts, efficiency, and exceptional drivability with a maximum torque capacity of 685 lb-ft. GM-engineered, -tested, and -validated to deliver smooth shifts, it more than meets the demands of your high-performance engine.
Features:
- Based on the legendary TH400
- Improved valve body for firmer shifts
- Direct bolt-on for Gen I Small-Block and all Big-Block Chevys
- Gear ratios: 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.75
- Handles up to 690 lbs/ft. torque
SuperMatic 4L85-E Installation Kit
Get your new 4L85-E bolted to your new engine with this 4L80 Series installation kit. Kit includes all the correct components that Chevrolet Performance offers to easily mate your new engine and trans.
Installation Kit Includes:
- SuperMatic Torque Converter; Dual Bolt Pattern 10-3/4" & 11-1/2"
- SuperMatic Connect-N-Cruise Pre-Programmed Controller
- Flexplate Covers
- Fasteners
- Instructions
Each Crate Powertrain System Includes:
- Fully assembled crate engine
- Transmission, Torque Converter & Install Kit
- SuperMatic transmission control module
- Instructions