Manley Performance Valve 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: .100 Longer

O/A Length: 5.036

Tip Length: .250

Underhead Angle/Radius: 10° x 3/8"

Margin: .085

Seat Width: .085

Top of Head: 7° Dish

Weight/ Grams: 102

Set of 8