Manley Performance 1.600" / .200 Longer Extreme Duty Stainless Steel Exhaust Valves - Set of 8 | Multiple Fitments (11705-8)

Small Block Chevrolet Extreme Duty Exhaust Valves - Set of 8 by Manley Performance

Manley Extreme Duty Series performance steel valves are a great choice for supercharged, alcohol-burning, or high-revving engines. These engines generate a lot of heat and require special valves that can handle that kind of punishment.

All valves are made from the best stainless steel available, with chrome stems and hardened valve tips. Extreme Duty Series valves are swirl-polished and fully machined and available with either undercut heads or straight stems.

Features

• Head Diameter: 1.600"
• Stem Diameter: .3415”
• Installed Height: .200 Longer
• O/A Length: 5.165"
• Tip Length: .290
• Underhead Angle/Radius: 15° x 1/2”
• Margin: .080”
• Seat Width: .100”
• Top Of Head: 9° Dish
• Chrome Stems and Hard Tips
• Swirl Polished and Fully Machined
• XH-432 XtremeAlloy Exhaust Material

Benefits

• Best for Top Fuel, Funny Car and Marine Engine
• 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

• 1997–2013 Chevrolet Corvette
• 1998–2002 Pontiac Firebird Formula, Trans Am
• 1998–2002 Chevrolet Camaro Z28
• 1998–2002 Chevrolet Camaro SS
• 2010–2015 Chevrolet Camaro SS (manual only)
• 2004–2006 Pontiac GTO
• 2005–2006 Chevrolet SSR
• 2006–2009 Chevrolet TrailBlazer SS
• 2004–2007 Cadillac CTS-V
• 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 - Valves

Warranty

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