Manley Performance Buick V-6 Stage 1 and Production Cast Iron Heads Severe Duty Valves

Stage 1 and Production Cast Iron Heads Severe Duty Valves

- NK-844 Intake Material
- Chrome Stems and Hard Tips
- Swirl Polished and Machined
- Intakes are "Pro Flo" for Improved Flow

Specs:

Type: Intake

Head Diameter: 1.775

Stem Diameter: .3415

Installed Height: Stock

O/A Length: 4.730

Tip Length: .270

Underhead Angle/Radius: Pro Flo: 12° x 3/8"

Margin: .065

Seat Width: .080

Top of Head: 7° Dish

Weight/ Grams: 97

Set of 6