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Manley 11921-8 - Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief

Manley  |  SKU: BBPB-11921-8
Sale price $1,41999 Regular price $1,43562

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


AVAILABILITY: This Item Is Out Of Stock.


PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Manley 11921-8 - Titanium Series Chevrolet Big Block Exhaust Valve Kit - Pontiac Pro Stock - Dart Big Chief

Manley Valve - Exhaust, Valve-TI PONT 1.900

Head Diameter: 1.900 in. - Stem Diameter: 0.3415 in. - O/A : 6.450 in. - Set of 8

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.

  • Lightweight titanium reduces valvetrain mass and boosts efficiency
  • Built for extreme RPM and aggressive cams
  • One-piece forged for strength
  • CNC machined for precision
  • Premium alloys ensure durability
  • Rigorously inspected for reliability
Installed Height: Stock
Cylinder Head: Pontiac Pro Stock
Cylinder Head: Dart Big Chief
Valve Series: Titanium Series
Valve Material: Titanium
Valve Type: Exhaust
Product Type: Engine Exhaust Valve Kit
Valve Quantity: 8
Engine Valve Quantity: 8
Engine Type: ICE
Make: Chevrolet
Engine: Big Block

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