Trick Flow® by PAC Racing Dual Valve Springs TFS-16521-1

Part Number: TFS-16521-1

$26.99

Trick Flow® by PAC Racing Dual Valve Springs

Valve Spring, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Each
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Trick Flow® by PAC Racing Dual Valve Springs TFS-16521-1

Trick Flow® by PAC Racing Dual Valve Springs TFS-16521-1

TFS-16521-1

Part Number: TFS-16521-1

Estimated Ship Date from OH, NV: Today

$26.99

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Overview
Applications

Estimated Ship Date from OH, NV: Today

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Overview

Brand:
Trick Flow Specialties
Manufacturer's Part Number:
TFS-16521-1
Part Type:
Valve Springs
Product Line:
Trick Flow® by PAC Racing Dual Valve Springs
Summit Racing Part Number:
TFS-16521-1
UPC:
842645120855
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.100 in.
Coil Bind Height (in.):
0.850 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
233 lbs./in.
Inside Diameter of Outer Spring (in.):
0.816 in.
Inside Diameter of Inner Spring (in.):
0.620 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
High load valve spring developed for Ford 4.6L/5.4L 2V cylinder heads. 8,000+ RPM capacity; enhanced surface finish for increased endurance.
Installed Height (in.):
1.500 in.
Seat Pressure at Installed Height (lbs.):
150 lbs.
Open Height (in.)(application):
0.900
Open Pressure (lbs.):
290 lbs.

Trick Flow® by PAC Racing Dual Valve Springs

Trick Flow by PAC Racing Dual Valve Springs are manufactured to Trick Flow’s rigorous, world-class standards. Every spring is CNC coiled from high tensile-strength, extra-durable Pacaloy™ chrome-silicon steel and double shot-peened beyond Aerospace Material Specifications (AMS) reliability criteria. These dual PAC springs are specifically designed for cams with aggressive profiles, and are available with damper coils for extra spring surge prevention.

Applications

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