Drag Illustrated Issue 150, November 2019

Light Weight Wins Races! Manley Titanium Valves And Lightweight NexTek Dual Drag Valve Springs Help Racers Become Champions! Titanium Valves Manley has hundreds of “shelf stock” titanium valve part numbers covering dozens of engine and cylinder head applications. Moreover, Manley can custom-make virtually any valve from existing “blanks” or manufacture them from scratch. You should know that Manley has become a trusted resource for many race teams because customer prints are proprietary and confidential. “Fuel Formula” Intake Valves For High Combustion Pressures Ideal for supercharged fuel-burning engines as well as blown and turbocharged Pro Mods • Increased strength (>200ksi) • Higher hardness (HRc 45-47) • Excellent ductility (> 12% elong) Reduce Weight More With Hollow Stem Titanium Intake Valves • Precision gun-drilled • Smooth surface finish • Full radius at end of bore, no stress risers • Able to utilize a hard tool steel tip on 5/16 and 11/32" stems • Extremely light —10-12% weight reduction Increase Service Life & Get Better Sealing With CrN or DLC Seat Face Coating • High hardness and lubricity prevents seat wear • Prevents “trenching” of seat face for better seal • Provides greater resistance to wear • Better valve-to-seat sealing equals more horsepower • Both coatings can be applied to entire valve, resulting in “Full Slick” Sean Bellemeur 2018 NHRA Top Alcohol Funny Car Champion , driving Tony Bartone’s Manley-equipped entry. • Titanium intake/exhaust valves • Ti-17 retainers and LocCaps • NexTek Dual Drag springs Many other NHRA champions rely on Manley valve train components • Steve Torrence (Top Fuel) • JR Todd (Funny Car) • Joey Severance (TAD) • Mike Janis (Pro Mod) QPAC Stem Superfinishing Reduces Valve Guide Wear • Ultra-smooth stem finish (Ra 2-3) • Maintains crisp seat & margin edges • Facilitates optimum air flow and power Compact Dual Drag Springs The ability to replace heavy triple valve springs with compact NexTek® Dual Drag valve springs with the same pressure rating has proven to be irresistible for many engine builders. And in addition to greatly reduced active mass, as well as using smaller diameter retainers, they have amazing load retention properties. It’s a win-win deal all the way around. Ancillary Components Manley manufactures everything you need to maximize the performance of your valve springs, including lightweight steel and titanium retainers, special valve locks, spring locators and the like. POWERS THE 732-905-3366 WINNERS manleyperformance.com Contact us or go online to get a copy of our current catalogs.

Drag Illustrated Issue 150, November 2019 | Page 131