ATK Chevy 383 Stroker 470HP HP101 Performance Edition Engine

Description

Preventing inconsistent air-fuel ratios requires the ATK Chevy 383 Stroker 470HP HP101 Performance Edition Engine and its complete electronic fuel injection system. Maintain flawless throttle response during intense street driving. This build utilizes a precision cast iron block to deliver reliable 500 horsepower capabilities safely.

Engine Architecture & Core Specifications

• Block Material: Cast iron Chevy Small Block, precision machined.
• Cylinder Heads: High-performance aluminum cylinder heads.
• Compression Ratio: 10.2:1 advertised compression ratio.
• Bore & Stroke: 4.030 inch bore x 3.750 inch stroke (383 CID / 6.3L).
• Rotating Assembly: Internal/external balance with a hydraulic roller camshaft.

Component Breakdown: Turn-Key Complete EFI Engine

This fully dressed engine arrives complete with a sophisticated electronic fuel injection system to eliminate sourcing individual induction components.

• A high flow throttle body sits atop a matched EFI intake manifold while the included computer and wiring harness ensure immediate ignition out of the crate.
• A long style water pump and harmonic balancer complete the front drive assembly allowing builders to focus strictly on chassis installation rather than engine building.

Vehicle Fitment & Compatibility Matrix

Engineered for classic Chevrolet architectures this engine drops perfectly into vintage chassis utilizing standard motor mounts. Sourcing one of our high-output Chevy replacement blocks modernizes your classic restoration instantly.

• Fits 1967-1981 Chevrolet Camaro models replacing tired small blocks perfectly.
• Fits 1964-1972 Chevrolet Chevelle platforms seeking massive low end torque upgrades.
• Fits 1968-1974 Chevrolet Nova chassis acting as a direct fit performance replacement.
• Fits 1973-1987 Chevrolet C10 pickup trucks looking for aggressive towing and street power.
• Fits 1968-1982 Chevrolet Corvette models updating the original powertrain with modern aluminum heads.

Fuel & Ignition System Requirements

Feeding this EFI stroker engine demands proper fuel pressure and ignition voltage for optimal street performance.

• An upgraded high pressure electronic fuel pump is required to supply the fuel injection system while utilizing 91 Octane premium pump gas prevents detonation.
• The included distributor mandates a full twelve volt ignition source bypassing any original factory resistor wires to guarantee a powerful spark.

Installation, Break-In Oil & Priming Instructions

Proper initial startup procedures ensure the longevity of the hydraulic roller lifters and internal bearings.

• Fill the crankcase with a high zinc break in oil before manually priming the oil system with a dedicated priming tool until pressure is verified.
• Perform a varied RPM heat cycle before changing the oil and driving conservatively for the first 500 miles.

USA Warranty, Emissions & Logistics

Investing in this ATK High Performance crate engine secures peace of mind through comprehensive manufacturer backing.

• Backed by a strict 1-Year warranty this engine provides excellent protection against internal manufacturing defects when installed properly.
• This assembly is designated strictly for Race Use Only on non-pollution controlled motor vehicles and ships securely via LTL freight.