Manley Performance Severe Duty – Pro Flo Hollow 2.1in. Intake Valves | Chevrolet LS1 / LS2 (LS6 Head) (11684H-8)

Description:

Severe Duty - Pro Flo 2.1in. Hollow Intake Valves for Chevrolet LS1 / LS2 (LS6 Head) Engines by Manley Performance

Manley's Pro Flo Severe Duty Intake Valves are constructed from NK-844 Stainless Steel for unparalleled durability. Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance. The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.

Measurements

• Head Diameter: 2.1in.
• Stem Diameter: 0.3133in.
• Installed Height: Stock
• O/A Length: 4.874in.
• Tip Length: 0.175in.
• Underhead Angle / Radius: Pro Flo: 12x3/8"
• Margin: 0.05
• Seat Width: 0.095
• Top of Head: 7 Dish
• Weight: 98g

Applications

• Chevrolet LS1 / LS2 (LS6 Head)

What's In The Box?

• 8 - Valves

Warranty

• Limited Manufacturers Warranty