Manley Performance Small Block Chevrolet Race Master Valves

Race Master Valves

- XH-426 Stainless Exhaust Material
- Chrome Stems and Hard Tips
- Swirl Polished and Fully Machined
- Straight Stems

Specs:

Type: Exhaust

Head Diameter: 1.600

Stem Diameter: .3415

Installed Height: .500 Longer

O/A Length: 5.465

Tip Length: .290

Underhead Angle/Radius: 15° x 1/2"

Margin: .090

Seat Width: .100

Top of Head: 9° Dish

Weight/ Grams: 113

Set of 1