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Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves
Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves
Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves
Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves
Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves

Manley Big Block Chevrolet Street Flo 1.880 Head Dia Exhaust Valves

by Manley Performance
Special Order Item: This item is not stocked in-house and may require additional processing time before shipping. Details
Special Order Save 25% Save 25%
$197.85
$197.85 - $197.85
$197.85
$148.39
$148.39 - $148.39
$148.39

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.

  • High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.
  • Swirl Polished and Fully Machined: The under head areas are meticulously swirl polished, and the combustion faces are fully machined, enhancing airflow and combustion efficiency.
  • Chrome Stems and Hard Tips: These valves feature chrome stems and hard tips for increased durability and wear resistance, making them suitable for demanding applications.
  • Variety of Shapes: Choose from the Street Master (Straight Stem) or Street Flo shapes, allowing you to customize your valve selection based on your specific needs.

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