Manley Performance Big Block Chevrolet Severe Duty Valves 11/32" Stem Diameters 1.880

Severe Duty Valves 11/32" Stem Diameters

- XH-428 Stainless Exhaust Material
- Chrome Stems and Hard Tips
- Swirl Polished and Fully Machined

Specs:

Type: Exhaust

Head Diameter: 1.880

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: .085

Top of Head: 6° Dish

Weight/ Grams: 122

Set of 8