Drag Illustrated Issue 147, August 2019 | Page 115
TITANIUM!
NEW!
QPAC Stem
Superfinishing
GREG ANDERSoN
Bo BuTNER
JASoN LINE
Manley Titanium Valves Provide
The Winning Edge For KB Racing
When it comes to titanium valves, nobody does it better than Manley. Over the
years Manley’s one-piece forged titanium valves have established a solid reputation
for durability. And continue to rack up important wins in drag racing —including the
domination by KB Racing’s triumvirate of 2017 NHRA Pro Stock champ Bob Butner,
Greg Anderson and Jason Line. Congrats to all the Manley-equipped champions.
NEW!
“Fuel Formula”
High Hardness
Intake Valves
Light…And Lighter Important New Technology
Titanium’s 40% weight saving over steel is
obviously an important factor in higher RPM
potential and reduced valve train wear. But there’s
more! Another 10-12% weight savings can be had
through precision gun-drilling the stems of intake
valves. Hard tool steel tips can be employed on
5/16” and larger hollow stem valves. Manley now offers “Fuel Formula” intake valves that provide
increased strength [>200ksi] and hardness [HRc 45-47]
WITHOUT compromising ductility [>12% Elong]. These valves are
ideal for severe applications such as fuel-burning supercharged
as well as blown and turbo ProMods. Another new technology for
2018 is QPAC stem superfinishing. This low cost option results
in an ultra-smooth stem finish [Ra 2-3] that reduces valve guide
wear, but unlike tumble finishing, maintains the crisp edges of
the seats and margins for optimum airflow and horsepower.
Custom Sizes…Done Promptly!
In addition to the hundreds on shelf-stock part
numbers, Manley Performance can manufacture
titanium valves for just about any application.
A large inventory of “blanks” is maintained in all
popular stem sizes (and coated for compatibility
with a multitude of heads), which can then be finish
machined to your exact needs.
POWERS
THE
732-905-3366
Hundreds of Applications
Manley has shelf-stock titanium valves in various lengths for
all popular engines, as well as aftermarket cylinder heads. This
includes AJPE, BAE, Brodix, Dart, NRE and many others. These
are truly “Ready-to-Run” with many intake and some exhaust
valves CrN seat face coated.
WINNERS
manleyper formance.com
Contact us or go online to get
a copy of our current catalog.