Manley Performance Head 1.600in Head Diameter Pro Flo E.D. Exhaust Valves - Set of 8 | Multiple Chevrolet Fitments (12357-8)

Extreme Duty Stainless Steel Exhaust Valves - Set of 8 by Manley Performance

Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors will all benefit by the use of XtremeAlloy exhaust valves. Exotic steel is required simply because of the enormous heat imposed on the exhaust valves in these applications.

Features

• Head Diameter : 1.600
• Stem Diameter : .3136
• Installed Height : Stock
• O/A Length : 4.923
• Tip Length : .175
• Underhead Angle/Radius : 25° x 7/16”
• Margin : .065
• Seat Width : .115
• Top of Head : 18° Dish
• Wgt/Grams : 97
• XH-432 XtremeAlloy Material
• Chrome Stems and Hard Tips
• Swirl Polished and Fully Machined
• O.E. Style Radius Keeper Grooves

Benefits

• Top Fuel, Funny Car and Marine Engine Exhaust Valves
• More Hot Hardness and High Temperature Strength than any competitive offerings

Please Note: The image provided is generic and may not be an accurate representation of the product you will receive

Applications

• 2008 – 2013 Chevrolet Corvette
• 2010 – 2015 Chevrolet Camaro SS
• 2009 Pontiac G8 GXP
• 2014 – 2017 Chevrolet SS
• 2007 – 2013 Cadillac Escalade
• 2008–2009 Chevrolet Tahoe
• 2007–2013 GMC Yukon Denali/Denali XL
• 2007–2013 GMC Sierra Denali
• 2008–2009 Hummer H2
• 2009–2013 Chevrolet Silverado 1500
• 2009–2013 GMC Sierra 1500

What's In The Box?

• 8 - Exhaust Valves

Warranty

• Manley products, due to their intended use, are sold without warranty.