Manley Performance Small Block Chevrolet Street Master Valves 2.020

Features

- NK-841 Stainless Intake Material
- Straight Stems
- Chrome Stems and Hard Tips
- Swirl Polished and Fully Machined

Specification

Head Diameter: 2.020
Stem Diameter: .3415
Installed Height: Stock
O/A Length: 4.911
Tip Length: .250
Underhead Angle/Radius: 10° x 3/8"
Margin: .050
Seat Width: .080
Top of Head: 6° Dish
Wgt/Grams: 109