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Vehicle Info NeededMANLEYPART NUMBER: 660-11587-1
Extreme Duty Exhaust Valve Big Block Chevy
$6426
Ships on 09/08/2026
Lowest Price GuaranteeExhaust Valves3/8'' Valve Stem Diameter
- Extreme Duty Exhaust Valve
- Big Block Chevy
- 1.880'' Diameter
- 10° x 3/8'' Underhead Angle/Radius
- 3/8'' (0.3715'') Stem Diameter
- 5.354'' Overall Length (Stock)
- Stainless Steel
- 1/pkg.
- Type: Exhaust Valve XH-432 XtremeAlloy Material
- Head Diameter: 1.880'
- Stem Diameter: 3/8' / 0.3715'
- Installed Height: Stock
- Overall Length: 5.354'
- Tip Length: 0.220'
- Underhead Angle / Radius: 10° x 3/8'
- Margin: 0.065'
- Seat Width: 0.100'
- Top of Head: 6° Dish
- Weight / Grams: 139
Part TypeValve
BrandMANLEY
Package Height4.1
Package Width4.9
Package Length5.2
Weight0.25 PG
Vendor Part Number11587-1
Package Qty1
Package TypeEA
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