Click to enlarge

Manley Performance LS1 Intake Valve Set (8) 2.020 Head Diam.

For nearly 40 years Manley Performance has maintained a leadership role in the global motorsports community, supplying a myriad of valvetrain and internal engine components to enthusiasts, leading race teams, professional engine builders, specialty vehicle constructors as well as OEMs

• Neck Down Configuration
• XH-426 Stainless Exhaust Material
• NK-842 Stainless Intake Material
• Chrome Stems and Hard Tips
• Swirl Polished and Machined