MANLEY 11112-8 Intake Valve Kit Race Series for Nissan SR20DE Engine

MANLEY 11112-8 Race Series Intake Valve Kit for Nissan SR20DE Engine

The MANLEY 11112-8 Intake Valve Kit is part of the high-performance Race Series lineup, specifically engineered for the Nissan SR20DE engine. Designed to meet the extreme demands of drag, bracket, and oval track racing environments under 8000 RPM, these intake valves are manufactured from NK-842 stainless steel to ensure superior strength and temperature resistance. With precision-machined profiles and optional Race Master or Race Flo designs, they deliver exceptional airflow efficiency and long-term reliability—especially in alcohol-fueled engine setups.

• Constructed from NK-842 stainless steel for maximum intake durability
• Chrome stems and hardened tips enhance wear resistance and valve life
• Swirl-polished underhead and fully machined combustion faces for improved flow
• Available in Race Master (straight stem) and Race Flo profiles
• Optimized for performance use in alcohol-fueled engines

Specifications:

• Product Market: Sport Compact
• Head Diameter: 35.15 mm
• Stem Diameter: 0.2362 in / 6.00 mm
• Overall Length: 101.40 mm
• Tip Length: 3.50 mm
• Margin Width: 0.050 in
• Seat Width: 0.075 in
• Top of Head: 17° Dish
• Underhead Angle (Pro Flo): 22.00°
• Underhead Radius: 5/16 in
• Valve Series: Race Series
• Valve Type: Intake
• Product Type: Engine Intake Valve Kit
• Valve Quantity: 8
• Engine Detail: DOHC 16 Valve (Nissan SR20DE)