DJ Rock IV3144 Engine Intake Valve

Engine Intake Valve for GM 3.8L Applications

The DJ Rock IV3144 engine intake valve is a direct-fit replacement built for precise airflow control in the combustion cycle. It is engineered with a nitride-coated surface, a 46.5 mm valve head diameter, a 7.96 mm stem diameter, and a 120 mm overall length for the specified Buick, Chevrolet, and Pontiac applications.

Compatible with 2004-2009 Buick, Chevrolet, and Pontiac vehicles listed below, this intake valve supports accurate valve timing and consistent cylinder filling in engines that require the IV3144 specification. The DJ Rock IV3144 is a premium-grade valvetrain component for repair work that demands correct dimensions and heat-resistant construction.

Key Features

• Nitride-coated intake valve surface for improved wear resistance and corrosion protection
• 46.5 mm valve head diameter
• 7.96 mm stem diameter
• 120 mm overall length
• 1 lock groove design
• Premium-grade replacement for specified GM applications
• Direct-fit engine intake valve for valvetrain service

Detailed Description

DJ Rock IV3144 is an engine intake valve designed for precise fitment in select Buick LaCrosse, Lucerne, LeSabre, Park Avenue, Regal, Chevrolet Impala, Monte Carlo, and Pontiac Bonneville and Grand Prix models. The nitride-coated finish helps the valve withstand heat and mechanical stress inside the cylinder head, while the specified head diameter, stem diameter, and overall length support proper sealing and valve train geometry. This part number is used where the engine calls for the IV3144 intake valve specification.

This part cross-references OE-style intake valve applications for the same engine family. For buyers searching by vehicle, this is a fitment-specific Buick LaCrosse intake valve, Chevrolet Impala intake valve, and Pontiac Grand Prix intake valve replacement.

Common Repair Uses

• Restoring intake valve sealing after wear or valve face damage
• Replacing a bent or heat-damaged intake valve during cylinder head repair
• Correcting compression loss caused by valve sealing issues
• Addressing rough running from worn valvetrain components
• Supporting proper air-fuel charge entry into the combustion chamber

Installation Notes and Tips

Verify valve head diameter, stem diameter, groove count, and overall length against the original part before installation. This IV3144 intake valve is application-specific, so confirm engine code and cylinder head requirements for your Buick, Chevrolet, or Pontiac model. Professional cylinder head service, including inspection of guides, seals, and valve seats, helps ensure proper sealing and long-term operation.

Quality Assurance

DJ Rock manufactures this intake valve to meet or exceed OEM quality standards using heat-resistant materials and a nitride-coated finish for durability in demanding engine environments.