Manley 11240-8 Severe Duty Stainless Steel Intake Valve - 2.020 NK-844

The Manley 11240-8 is a severe duty performance intake valve engineered for high-performance race engines. Constructed from premium NK-844 stainless steel, this valve features a chrome-plated stem and hardened tip for maximum durability under extreme conditions. The valve undergoes swirl polishing and complete machining to ensure superior quality and performance.

Key Specifications:

• Valve Type: Intake
• Head Diameter: 2.020 inches
• Stem Diameter: 0.3415 inches (11/32")
• Overall Length: 5.015 inches
• Installed Height: 0.100 inches longer than stock
• Tip Length: 0.250 inches
• Underhead Angle/Radius: 10 degrees x 3/8 inch
• Margin: 0.070 inches
• Seat Width: 0.080 inches
• Top of Head: 7 degree dish
• Weight: 113 grams (0.25 lbs)

Features:

• NK-844 stainless steel construction for exceptional strength
• Chrome stem coating for reduced friction and wear
• Hardened valve tip for extended service life
• Straight stem design for increased durability
• Swirl polished finish for optimal flow characteristics
• Fully machined to precise tolerances

This severe duty series valve is designed to withstand the demanding conditions of racing and high-performance applications, making it an ideal upgrade for builders seeking reliability and performance.