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Vehicle Info NeededMANLEYPART NUMBER: 660-11673-8
Severe Duty Exhaust Valves LS1 / LS2 / LS6
$30107
Ships on 09/08/2026
Lowest Price GuaranteeExhaust Valves
- Severe Duty Exhaust Valves
- LS1 / LS2 / LS6
- 1.550'' Diameter
- 8mm (0.3136'') Stem Diameter
- 4.923'' Overall Length (Stock)
- Stainless Steel
- 8/pkg.
- Type: Exhaust Valve XH-428 Material
- Head Diameter: 1.550'
- Stem Diameter: 8mm / 0.3136'
- Installed Height: Stock
- Overall Length: 4.923'
- Tip Length: 0.175'
- Underhead Angle / Radius: 25° x 7/16'
- Margin: 0.065'
- Seat Width: 0.115'
- Top of Head: 18° Dish
- Weight / Grams: 88
Part TypeValve
BrandMANLEY
Package Height2.6
Package Width6.5
Package Length11.8
Weight2.0 PG
Part CategoryPerformance Parts
Approximate Weight (G)88
Valve Tip Length (In)0.175 in.
Valve Head Style18 degree dish
Valve Stem Diameter (In)0.3136 in.
Valve Head Diameter (In)1.550 in.
QuantitySet of 8
Part FitmentSemi Universal
Swirl-PolishedYes
Overall Valve Length (In)4.923 in.
Valve MaterialXH-428 stainless steel
Vendor Part Number11673-8
Package Qty1
Package TypeEA
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