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Manley SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL 11399-8

Part Number: MAN11399-8
MANLEY
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SKU:
MAN11399-8
MPN:
11399-8
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.20 LBS
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$301.07
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Description

Manley's SBC exhaust valves are engineered for small-block Chevrolet engines that demand reliable, high-temperature performance. Built from stainless steel, these valves resist thermal stress and corrosion, ensuring consistent sealing and longevity even under sustained boost or nitrous applications. Whether you're building a street engine or a dedicated race platform, OEM-quality valve geometry paired with premium materials delivers the reliability you need when power matters.

  • 1.625" head diameter
  • 5/16" stem diameter
  • 5.640" overall length
  • Stainless steel construction
  • Sold individually
  • SBC-specific fitment
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Fitment for Manley SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL 11399-8

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