NEW GENERATION "NEXTEK" MANLEY LIGHTWEIGHT DUAL VALVE SPRINGS
NOW AVAILABLE FOR THE SERIOUS DRAG RACERS WHO
"DEMAND NOTHING BUT THE BEST!"
Smaller diameter, lightweight dual design allows engine to rev higher with improved valvetrain control
Accepts smaller, lighter retainers which also promotes higher revs
Ultra clean, high tensile strength material
Multi-step surface enhancement significantly improves fatigue strength
Ideal loads for multiple applications with minimal load loss
Part No.
Description
Max Valve Lift
O.D.
I.D.
Installed/Open Pressure
Rate (lbs/in)
Coil Bind
221455-16
Competition
Eliminator
1.000"
1.500"
.719"
438 @ 2.175"
1,235 @ 1.175"
797
1.130"
221457-16
Super Stock
Competition Elim.
.950"
1.500"
.719"
395 @ 2.150"
1,155 @ 1.200"
800
1.130"
221456-16
Super Stock
Competition Elim.
.900"
1.500"
.719"
316 @ 2.100"
1,036 @ 1.200"
800
1.130"
221460-16
Alcohol classes
.950"
1.522"
.719"
400 @ 2.250"
1,300 @ 1.300"
948
1.255"
Spring Cup Part No.
Description
Cup I.D.
Cup O.D.
42347-16
ID Spring Locator
.570"
1.535"
42318-16
ID Spring Locator
.570"
1.610"
42335-16
ID Spring Locator
.635"
1.535"
42120-16
ID Spring Locator
.635"
1.610"
Retainer Part No.
Description
23675-16
7º Titanium Retainer + .100" Installed (for 7º LocCap App)
23677-16
7º Titanium Retainer + .100" Installed (for 7º LocCap App) Ti-17 Alloy
23676-16
10º Titanium Retainer +.100" Installed
23679-16
10º Titanium Retainer +.100" Installed Ti-17 Alloy
© 2020 Manley Performance Products, Inc.
sales@manleyperformance.com
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