fits model: Lt1.

( Brand: Manley ), ( Manufacturer Part Number: 12348-8 ), ( Type: Default ), ( Material: Material ), ( UPC: 807298086033 )
The Manley Performance 12348-8 Valve is a high-performance, forged,commonsunity, intake valve designed specifically for use in 2.0L LS1 and LS2 General Motors engines. Manufactured by Manley Autolite, an industry leader in performance engine components, this valve is engineered to enhance engine power, reliability, and durability for demanding applications.
Design and Material:These Manley Performance intake valves are forged from premium, high-strength 356 aluminum alloy, renowned for its excellent heat conduction properties and durability. Their unique design ensures minimal interference with lifters and camshafts, enabling optimal engine performance. The valve heads have cc-shaped ports, which provide smooth flow and excellent heating characteristics, allowing for efficient combustion during every engine cycle.
Dimensions and Compatibility:These intake valves carry the specifications of 1.58 inches (39.62mm) in height and boast an exhaust seat diameter of 1.54 inches (39.15mm). The valve stems measure 0.562 inches (14.26mm) in length and support various valveguide diameters, depending on the LS engine application (ranging from 0.634 inches up to 0.698 inches or 16.1mm up to 17.7mm).
Performance and Durability:Manley Performance 12348-8 Valves are scientifically heat-treated to reach maximum hardness on the valve faces to promote long-lasting performance. Their thick, reinforced skirts provide added durability by resisting deflection during high-rpm operation in extreme conditions. Additionally, these intake valves feature a laser-etched Manley Autolite logo on the head, a visible symbol of quality and craftsmanship.
Benefits:Upgrading to a Manley Performance 12348-8 Valve can result in significant performance enhancements. Increased valve flow rates and improved combustion efficiency can lead to an increase in power output. Furthermore, by promoting scuff resistance and ensuring a perfect seal against the engine's combustion chamber, these valves contribute to enhanced drivability, improved engine longevity, and better fuel economy.
Conclusion:The Manley Performance 12348-8 Valve is an excellent choice for LS1 and LS2 engine owners seeking to improve their engine's power, reliability, and durability. Manufactured using premium materials and designed with an innovative, high-performance focus, these valves can deliver upgraded engine performance for both street and track applications. By investing in a Manley Performance 12348-8 Valve, vehicle enthusiasts can experience the ultimate combination of superior power, unmatched reliability, and distinctive Manley Autolite quality.
Overview:
The Manley Laboratories 12348-8 Performance Valve LT1 2L 120 is a high-performance aftermarket valve for LS1, LS6, and LT1 engines. It is designed to improve engine performance, enhance durability, and increase power output.
Pros:1. Enhanced Performance: The Manley Performance Valve offers improved airflow, resulting in better engine breathing and increased power output. It is designed to function optimally under high RPM and boosted applications.
2. Durability: Manley Laboratories are known for their high-quality materials and manufacturing processes. This valve is made ofuzSTEEL, a proprietary material that offers superior strength and corrosion resistance.
3. Customer Reviews: This valve has received outstanding reviews from customers, with many reporting improvements in horsepower, torque, and engine response.
Cons:1. Cost: The Manley Performance Valve is more expensive than OEM valves. However, the increased performance and durability may justify the investment for high-performance and race applications.
2. Complex Installation: Installing a performance valve such as this one can be a complex process, especially for those without extensive mechanical expertise. It may require professional installation to ensure proper fitment and function.
Conclusion:The Manley Laboratories 12348-8 Performance Valve LT1 2L 120 is an excellent investment for those looking to improve the power output, durability, and responsiveness of their LS1, LS6, or LT1 engines. This valve is made of high-quality materials and has received outstanding customer reviews. However, the installation process can be complex, and the price tag may be a deterrent for some.
Recommendation:If you're looking to take your LS1, LS6, or LT1 engine to the next level, the Manley Laboratories 12348-8 Performance Valve LT1 2L 120 is an excellent choice. While it may require a professional installation and carry a higher cost compared to OEM valves, the increased performance and durability it offers make it a worthwhile investment for high-performance and race applications.
Manley Performance 12348-8 VALVE-LT1 6.2L R/F 2.120,:: Intake Valve - Race Flo 2.120 in Head 5/16 Stem 5.253 Long Stainless GM Gen LT-Series Set of 8. Note: Photos do not always represent the actual product. For kits, photo might show entire kit and listing is only for one component.