Dorman Improved Design 615-380KIT Intake Manifold and Valve Cover Complete Kit with Upgraded Valve Compatible with Select Buick/Chevrolet Models (OE FIX)

Customers find the intake manifold and valve cover kit effectively solves PCV problems and fits perfectly. Moreover, the product receives positive feedback for its quality, ease of installation, and value for money, with one customer noting it includes all necessary parts. However, durability is a concern, with multiple reports of hairline cracks in valve covers and failures within 5 months. Additionally, experiences with oil leakage are mixed, with some reporting no leaks while others experience oil leakage issues.