Kit/Combo Contents

Chevrolet Performance 12568774 - Chevrolet Performance 454 C.I.D. HO 438 HP Long Block Crate Engines

Engine Assembly, Crate Engine, Chevy, 454 HO, 438 hp, Cast Iron Rectangle Port Heads, Each

Kit Item Quantity: 1

Chevrolet Performance 19299804 - Chevrolet Performance SuperMatic Torque Converters

Torque Converter, 2,400-2,800 Stall, 4L80/85E, Mates to Early Gen 1 SBC/BBC, Dual Bolt Pattern, 10.75 and 11.50 in. Each

Kit Item Quantity: 1

Chevrolet Performance 19300175 - Chevrolet Performance Remanufactured Automatic Transmissions

Automatic Transmission, Remanufactured, Aluminum Case, Stock Pan, 2.48 First Gear Ratio, Chevy, 4L85E, Each

Kit Item Quantity: 1

Chevrolet Performance 19332780 - Chevrolet Performance Automatic Transmission Controllers

Automatic Transmission Controllers, Controller, Harness, Software, Chevrolet, 4L80E/4L85E, Kit

Kit Item Quantity: 1

Chevrolet Performance 19332784 - Chevrolet Performance Flexplate Dust Covers

Flexplate Dust Cover, Aluminum, Natural, Chevy, 4L80E/4L85E, Each

Kit Item Quantity: 1

Overview

Chevrolet Performance Connect and Cruise 454 HO Engine and Transmission Packages

Chevrolet Performance Connect and Cruise 454 HO engine and transmission packages are perfectly matched powertrain systems. Chevy engineers have done all the hard work, designing and calibrating these components for optimal compatibility and performance. These packages feature their classic 438 hp 454 HO offering big block performance and modern engineering. In these Connect and Cruise packages, they are paired to the impressive 4L85-E 4-speed Supermatic transmissions.

Chevy Connect and Cruise powertrain systems typically include:

* Engine
* Transmission
* Torque converter—automatic only
* Transmission installation kit
* Transmission control system—automatic only

Engine specs:

* Engine type: Chevy big block V8
* Displacement (cu. in.): 454
* Bore x stroke (in.): 4.250 x 4.000
* Block: Cast iron with 4-bolt main caps
* Crankshaft: Forged steel
* Connecting rods: Forged steel
* Pistons: Forged aluminum
* Camshaft type: Hydraulic roller
* Camshaft lift (in.): .510 intake/.540 exhaust
* Camshaft duration at .050 in.: 211 degrees intake/230 degrees exhaust
* Cylinder heads: Iron, 118cc chambers
* Valve size (in.): 2.190 intake/1.880 exhaust
* Compression ratio: 8.75:1 nominal
* Rocker arms: Stamped steel
* Rocker arm ratio: 1.7:1
* Water Pump: Cast iron, long-style
* Flexplate: 14 in.
* Recommended fuel: Premium pump
* Ignition timing: 36 degrees total at 4,000 rpm
* Maximum recommended rpm: 5,500
* Balanced: External

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