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Manley Titanium Exhaust Valve Kit - Big Block General Motors - Dart Pro1 - 11481B-8

SKU: SKU: MAN11481B-8

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Manley Titanium Valves are expertly designed to reduce valvetrain weight, improve efficiency, and excel in high-RPM applications. Lightweight yet incredibly strong, they enhance throttle response, power, and durability, making them the choice of performance enthusiasts and professional engine builders. Each valve features a one-piece forged titanium construction with superior grain flow to eliminate weak points and ensure long-term strength. State-of-the-art CNC machining and precision grinding deliver tight tolerances and consistent sealing for optimal engine performance. Crafted from premium titanium alloys, Manley valves achieve the perfect balance of hardness, ductility, and fatigue resistance under extreme temperatures. Every valve undergoes rigorous quality control and final inspection, guaranteeing unmatched reliability, precision, and consistency in the most demanding racing conditions. When performance matters, Manley Titanium Valves power the winners.

Features

  • Lightweight titanium reduces valvetrain mass and boosts efficiency
  • Rigorously inspected for reliability
  • Premium alloys ensure durability
  • CNC machined for precision
  • One-piece forged for strength
  • Built for extreme RPM and aggressive cams

Specs

  • Head Diameter: 1.900 in
  • Stem Diameter: 0.3415 in
  • O/A : 5.440 in
  • Bead Loc? Groove
  • Set of 8
  • Manley Valve
  • Exhaust, Valve-TI Big Block GM 1.900
  • Head Diameter: 1.900
  • Valve Head Diameter: 1.900
  • Stem Diameter: 0.3415
  • Valve Stem Diameter: 0.3415
  • O/A Length: 5.440
  • Installed Height: Stock
  • Valve Length: 5.440
  • Valve Tip Length: .250
  • Tip Length: .250
  • Margin Width: .090
  • Seat Width: .100
  • Seat Angle: 45.00
  • Seat Coating: None
  • Underhead Angle: 30.00
  • Underhead Radius: 5/8
  • Weight: 101
  • Cylinder Head: Dart Pro1?
  • Valve Series: Titanium Series

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