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Vehicle Info NeededMANLEYPART NUMBER: 660-10727-8
Street Master Street Flo Exhaust Valves Big Block Chevy
$14839
Ships on Sep 14, 2026
Lowest Price GuaranteeExhaust Valves
- Street Master Street Flo Exhaust Valves
- Big Block Chevy
- 1.880'' Diameter
- 3/8'' (0.3715'') Stem Diameter
- 5.350'' Overall Length (Stock)
- Stainless Steel
- 8/pkg.
- Type: Exhaust Valve XH-424 Material
- Head Diameter: 1.880'
- Stem Diameter: 3/8' / 0.3715'
- Installed Height: Stock
- Overall Length: 5.350'
- Tip Length: 0.220'
- Underhead Angle / Radius: Pro Flo 10° x 3/8'
- Margin: 0.060'
- Seat Width: 0.100'
- Top of Head: 5° Dish
- Weight / Grams: 131
Part TypeValve
BrandMANLEY
Package Height2.7
Package Width6.4
Package Length11.7
Weight2.7 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number10727-8
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
