DJ Rock EV325 Engine Exhaust Valve

Engine Exhaust Valve for Aveo Applications

The DJ Rock EV325 is a premium nitride-coated engine exhaust valve built for direct-fit replacement in select Chevrolet Aveo and Aveo5 applications. It is engineered with a 27.2 mm valve head diameter, 5.94 mm stem diameter, 101.3 mm overall length, and a single lock groove for the specified exhaust-valve fitment.

Key Features

• Nitride-coated surface for improved wear resistance and corrosion protection
• 27.2 mm valve head diameter for the listed exhaust-valve applications
• 5.94 mm stem diameter and 101.3 mm overall length
• Single lock groove design
• Premium-grade replacement valve for engine valvetrain service
• Direct-fit exhaust valve for Chevrolet Aveo and Chevrolet Aveo5

Detailed Product Overview

Part number EV325 is an engine exhaust valve designed to control the release of burnt gases from the combustion chamber into the exhaust system. Built from heat-resistant materials and finished with a nitride coating, it is made to handle the thermal and mechanical demands of exhaust-valve operation. This valve is specified for 2004-2008 Chevrolet Aveo and 2006-2008 Chevrolet Aveo5 exhaust applications, making EV325 a focused replacement choice when servicing the valvetrain on these vehicles.

For buyers searching for a Chevrolet Aveo exhaust valve or a Chevrolet Aveo5 exhaust valve, EV325 provides the listed dimensions and application-specific fitment needed for a direct replacement. The part number EV325 should be matched to the vehicle’s engine specifications before installation.

What This Part Helps Address

• Burnt or leaking exhaust valves
• Loss of compression from valve sealing issues
• Rough running caused by exhaust-valve wear
• Excessive valve wear from heat and friction
• Service needs during cylinder head or valvetrain repair

Installation Notes and Tips

Verify valve head diameter, stem diameter, overall length, and lock groove count against the original part before installation. EV325 is listed for exhaust-valve use only on the specified Chevrolet Aveo and Aveo5 model years. Proper cylinder head inspection, valve seat condition, and valve guide measurements should be completed during service to confirm correct operation after replacement.

Quality Assurance

DJ Rock lists this valve as a premium replacement manufactured to meet or exceed OEM quality standards. The nitride-coated finish is used to improve surface durability under exhaust heat and repeated valve cycling.