Manley Performance
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man14088R-8
Valve - Exhaust
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.
Head Diameter: 1.900 in. - Stem Diameter: 0.3415 in. - O/A : 6.450 in. - Set of 8
Engine Exhaust Valve
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| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Manley Performance, Manley |
| StreetFX SKU | man11921-8 |
| SFX Item ID | 4934056 |
| Accounting SKU | man-11921-8 |
| Manufacturer SKU | 11921-8 |
| Manufacturer UPC | 807298059310 |
| Alternative References | 11921-8, MAN-11921-8 |
Valve, Exhaust, Titanium, 1.900 in. Diameter, .342 in. Stem, 6.450 in. Length, Universal, Set of 8
Manley titanium valves feature forged one-piece construction with grain flow, not a head welded to a stem. These jewel-like valves are machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances. Manley utilizes the finest titanium alloys for both the intakes and exhausts, providing the best balance of mechanical properties, hardness, ductility, and fatigue strength at the given temperatures. All Manley titanium valves must pass their rigorous final inspection process, and strict quality control enables them to deliver parts within tight tolerance. Custom valves can be delivered within a very reasonable turnaround time. Seat coatings are also available on certain shelf stock part numbers, as well as on custom valves.
| Product Attributes | |
|---|---|
| Brand | Manley |
| Manufacturer's Part Number | 11921-8 |
| Part Type | Valves |
| Product Line | Manley Titanium Valves |
| UPC | 807298059310 |
| Valve Position | Exhaust |
| Exhaust Valve Head Diameter (in.) | 1.900 in. |
| Exhaust Valve Head Diameter (mm) | 48.260mm |
| Exhaust Valve Stem Diameter (in.) | 0.342 in. |
| Exhaust Valve Stem Diameter (mm) | 8.69mm |
| Exhaust Overall Valve Length (in.) | 6.450 in. |
| Exhaust Overall Valve Length (mm) | 163.830mm |
| Undercut Stem | No |
| Swirl-Polished | Yes |
| Valve Tip Length (in.) | 0.250 in. |
| Valve Tip Length (mm) | 6.350mm |
| Valve Material | Titanium |
| Lock Groove Quantity | 1-groove |
| Lock Groove Style | Conventional |
| Approximate Weight (g) | 116 |
| Valve Seat Width (in.) | 0.075 in. |
| Quantity | Sold as a set of 8. |
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