Manley Performance Small Block Chevrolet Severe Duty Exhaust Valves

Severe Duty Exhaust Valves

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

Specs:

Type: Exhaust

Head Diameter: 1.600

Stem Diameter: .3415

Installed Height: .200 Longer

O/A Length: 5.165

Tip Length: .290

Underhead Angle/Radius: 15° x 1/2"

Margin: .090

Seat Width: .100

Top of Head: 9° Dish

Weight/ Grams: 110

Set of 1