Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.600 Head Diameter Race Flo Exhaust Valves - 11365-8

Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM

Features

• Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
• Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.
• Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.
• Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.
• Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.

Specs

• Head Diameter: 1.600 in
• Stem Diameter: .3136 in
• O/A : 4.923
• Manley Valve
• Exhaust, Valve-LS1 R/M 1.600
• Title: Manley Valve - Exhaust, Valve-LS1 R/M 1.600
• Prop 65 Yes/No: Yes
• Prop 65 (C, R or CR): CR
• Prop 65 - Short Label: Prop 65 Warning Label.JPG
• Engine Type: ICE
• Make: Chevrolet
• Engine: LS1
• Product Market: Domestic
• Head Diameter: 1.600
• Valve Head Diameter: 1.600
• Stem Diameter: 0.3136
• Valve Stem Diameter: 0.3136
• O/A Length: 4.923
• Tip Length: 0.175
• Margin Width: 0.065
• Seat Width: 0.115
• Top of Head: 18 Degree Dish
• Valve Tip Length: 0.175
• Valve Length: 4.923
• Installed Height: Stock