Manley Performance Big Block Chevrolet Severe Duty Valves Stock 3/8" Stem Diameter 1.880

Severe Duty Valves Stock 3/8" Stem Diameters

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

Specs:

Type: Intake

Head Diameter: 1.880

Stem Diameter: .3715

Installed Height: Stock

O/A Length: 5.354

Tip Length: .220

Underhead Angle/Radius: 10° x 3/8"

Margin: .065

Seat Width: .100

Top of Head: 6° Dish

Weight/ Grams: 134

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