Specifications
- Brand
- Manley Performance
- Part #
- 11427HTB-8
- UPC
- 807298231808

Manley Titanium Exhaust Valve Kit - Small Block GM, Ford, Chrysler
$1625.82
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Manley Titanium Exhaust Valve Kit - Small Block GM, Ford, Chrysler. Reduces valve train weight for high-RPM use.
Key Features
- Fits Small Block GM, Ford, and Chrysler engines.
- Titanium construction significantly reduces valve train weight, improving engine efficiency and performance.
- Designed for high-RPM applications and compatibility with aggressive camshaft profiles.
- One-piece forged construction with grain flow ensures durability and minimizes weak points.
- Meticulously machined on CNC turning centers and valve stem grinders to exacting tolerances.
- Utilizes exceptional titanium alloys for a balance of mechanical properties, hardness, ductility, and fatigue strength at temperature.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Manley Performance has been building serious engine components for a long time, and they're known for making parts that hold up under demanding conditions. This titanium exhaust valve kit is a prime example, built for engines that need to perform at their best, especially when you're pushing higher engine speeds. If you're working on a Small Block GM, Ford, or Chrysler engine and aiming for improved efficiency and the ability to handle more aggressive camshafts, these valves are worth a close look.
What really sets these apart is the material. Titanium is significantly lighter than traditional steel, and that weight reduction in the valve train makes a big difference. It means less inertia for your springs and camshaft to fight against, allowing for higher engine speeds and more consistent valve control when you're deep in the powerband. Manley forges these valves from a single piece of titanium, which creates a stronger part with better grain flow compared to valves that are welded together. They're then machined with very precise tolerances on advanced CNC equipment, ensuring each valve seals perfectly and performs reliably.
You get a set of 8 exhaust valves, each measuring 1.600 inches in head diameter, with a 0.3415-inch stem diameter and an overall length of 5.140 inches. They weigh in at a light 74 grams each. Manley uses specific titanium alloys chosen for their balance of strength, hardness, and ductility at high temperatures, and they put every single valve through a tough final inspection to make sure they meet their high standards for performance and durability. This attention to detail means you're getting a well-built component ready for serious work.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 11427HTB-8
- UPC
- 807298231808
Frequently Asked Questions
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Manley Titanium Exhaust Valve Kit - Small Block GM, Ford, Chrysler





