Race Flo / Race Master Exhaust Valves - Set of 8 by Manley Performance

Race Master, and the Pro Flo versions identified as Race Flo valves, are manufactured of XH-426 material for the exhausts and NK-842 for the intakes. This series of valves is targeted at the bracket, drag and oval track racers operating below 8000 rpm - above which engine speed titanium valves are generally required. Any engine builder successfully using EV-8 alloy ( 21-4N ) valves will find in this series of Manley valves a superior piece at a most attractive price. The Ultimate Tensile Strength charts on this page and the next, show the Manley Race Series to be equal to the best that the competitors have to offer.

Features

• Head Diameter : 1.590
• Stem Diameter : .3136
• Installed Height : Stock
• O/A Length : 4.923
• Tip Length : .160
• Underhead Angle/Radius : 25° x 7/16”
• Margin : .070
• Seat Width : .115
• Top of Head : 18° Dish
• Wgt/Grams : 93
• XH-426 Stainless Exhaust Material
• Chrome Stems and Hard Tips
• Swirl Polished and Fully Machined
• O.E. Style Radius Keeper Grooves

Benefits

• Intakes are “Pro Flo” for Improved Flow
• Best for drag and oval track racers operating below 8000 rpm

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

Applications

• 2007-2008 Cadillac Escalade Base
• 2007-2008 Cadillac Escalade ESV Base
• 2008 Cadillac Escalade ESV Platinum
• 2007-2008 Cadillac Escalade EXT Base
• 2007-2008 GMC Yukon Denali
• 2007-2008 GMC Yukon XL 1500 Denali
• 2008 Hummer H2 Base

What's In The Box?

• 8 - Exhaust Valves

Warranty

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