ATK GM 350 408 HP HP34C Stage 3 Aluminum Head Complete

Description

Tedious performance engine swaps require the ATK GM 350 408 HP HP34C Stage 3 Aluminum Head Complete and its fully dressed turn-key architecture. Command brutal mid-range passing power during aggressive highway cruises. This build utilizes a precision calibrated hydraulic roller valvetrain to output massive street torque.

Key Features of ATK GM 350 408 HP HP34C

• Block Material: Cast iron Chevy Small Block prevents core distortion to harness four hundred eight horsepower safely.
• Cylinder Heads: High-performance aluminum cylinder heads feature advanced port designs to maximize airflow into the combustion chambers.
• Induction System: The pre-installed carburetor and intake manifold provide immediate air and fuel delivery for instant turn-key performance.
• Camshaft Style: A hydraulic roller camshaft reduces valvetrain friction and ensures aggressive throttle response without sacrificing street drivability.
• Ignition System: The included distributor and spark plug wires deliver consistent high-voltage spark to prevent high-RPM misfires.

Component Breakdown: Turn-Key Complete Stage 3 Engine

This complete engine package arrives fully dressed from the intake manifold down to the oil pan to eliminate sourcing individual accessories.

• A high flow carburetor sits atop a matched aluminum intake manifold while the included distributor and spark plug wires ensure immediate ignition out of the crate.
• A factory style water pump and harmonic balancer complete the front drive assembly allowing builders to focus strictly on chassis installation.

Vehicle Fitment & Compatibility Matrix

Designed as a comprehensive powertrain solution this fully dressed engine drops effortlessly into iconic Chevrolet muscle cars. Dropping in one of our fully dressed Chevy small blocks bypasses months of tedious machine shop delays.

• Fits 1967-1981 Chevrolet Camaro models seeking a fully dressed powertrain swap.
• Fits 1973-1987 Chevrolet C10 pickup trucks requiring a reliable and modern carbureted setup.
• Fits 1964-1972 Chevrolet Chevelle applications needing a reliable V8 foundation.
• Fits 1968-1974 Chevrolet Nova conversions requiring a 350 drop-in setup.

Fuel & Ignition System Requirements

Since the induction and ignition systems are pre-installed builders simply need to provide clean fuel and adequate exhaust plumbing.

• The pre-installed carburetor requires a steady supply of 91 Octane premium pump gas fed by a high quality mechanical or electric fuel pump to maintain safe air fuel ratios.
• 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

Even fully dressed engines demand careful pre-lubrication and heat cycling to ensure long term mechanical reliability.

• Before firing the engine builders must utilize a specialized tool to prime the oiling system manually ensuring fluid reaches the upper valvetrain completely.
• Fill the engine with a premium high zinc break in oil and perform a careful initial startup monitoring for leaks before executing a 500 mile break in period.

USA Warranty, Emissions & Logistics

ATK provides exceptional manufacturer support ensuring this complete engine package delivers reliable performance for years.

• Backed by a strict 1-Year manufacturer warranty this complete long block offers extensive coverage against assembly defects when documented installation procedures are followed.
• This non-emissions compliant engine is designated for pre-emissions or off road Race Use Only and requires freight delivery to a commercial address with a forklift.