• Manley Performance Valves 11539-8 Item Image
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Manley

Manley Performance Valve Small Block Chevrolet Severe Duty Exhaust Valves

Manley Performance Valve Small Block Chevrolet Severe Duty Exhaust Valves

sku: 11B1K | mpn: 11539-8
$401.42
$592.00 $401.42
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20 in stock

Emissions

This is not an emissions item.
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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

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