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Vehicle Info NeededMANLEYPART NUMBER: 660-11809-1
Severe Duty Exhaust Valve Big Block Chevy
$3764
Ships on 09/09/2026
Lowest Price GuaranteeExhaust Valves1.940'' Valve Diameter 11/32'' Valve Stem Diameter
- Severe Duty Exhaust Valve
- Big Block Chevy
- 1.940'' Diameter (7° dish head)
- 11/32'' (0.3415'') Stem Diameter
- 5.522'' Overall Length (+.100)
- Stainless Steel
- 1/pkg.
- Type: Exhaust Valve XH-428 Material
- Head Diameter: 1.940'
- Stem Diameter: 11/32' / 0.3415'
- Installed Height: +.100' Longer
- Overall Length: 5.522'
- Tip Length: 0.250'
- Underhead Angle / Radius: 12° x 3/8'
- Margin: 0.075'
- Seat Width: 0.085'
- Top of Head: 7° Dish
- Weight / Grams: 127
Part TypeValve
BrandMANLEY
Package Height2.5
Package Width2.6
Package Length7.2
Weight0.3 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number11809-1
Package Qty1
Package TypeEA
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