Manley Performance BBC Race Master Valves 11/32" Stem Diameters

Features

- XH-426 Stainless Exhaust Material
-Chrome Stems and Hard Tips
- Swirl Polished and Fully Machined
-11/32" Stems for Improved Flow, Lighter Weight

Specification

Type: Exhaust
Head Diameter: 1.940
Stem Diameter: .3415 
Installed Height: Stock
O/A Length: 5.422
Tip Length: .250
Underhead Angle/ Radius: 10° x 3/8"
Margin: .075
Seat Width: .100
Top of Head: 5° Dish
Wgt/Grms: 124