Instruction Sheets for Part Number TFS-2500301
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Trick Flow® Track Max® Pacaloy Valve Spring and Retainer Kits TFS-2500301
Part Number: TFS-2500301
Trick Flow® Track Max® Pacaloy Valve Spring and Retainer Kits
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 433 lbs/in., Set of 16
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Estimated Ship Date: Apr 7, 2026
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Overview
Brand:
Manufacturer's Part Number:
TFS-2500301
Part Type:
Product Line:
Summit Racing Part Number:
TFS-2500301
UPC:
842645105463
Valve Spring Style:
Conical
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Titanium
Outside Diameter of Outer Spring (in.):
1.304 in.
Coil Bind Height (in.):
1.000 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
433 lbs./in.
Inside Diameter of Outer Spring (in.):
0.950 in.
Inside Diameter of Inner Spring (in.):
0.680 in.
Locks Included:
Yes
Lock Material:
Steel
Lock Groove Quantity:
1-groove beadlock-style
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Springs Coated:
No
Valve Stem Diameter (in.):
0.315 in.
Valve Stem Diameter (mm):
8.00mm
Quantity:
Sold as a kit.
Installed Height (in.):
1.800 in.
Seat Pressure at Installed Height (lbs.):
155 lbs.
Remanufactured:
No
Trick Flow® Track Max® Pacaloy Valve Spring and Retainer Kits
Trick Flow® Track Max® Pacaloy valve spring and retainer kits are made from a proprietary blend of alloys and tested under rigorous conditions to ensure that they perform at the highest level. Track Max® Pacaloy racing valve springs began their existence with cutting-edge material and processing advancements. They are CNC-coiled from high tensile-strength and extra-durable Pacaloy chrome-silicon steel—and are double shot-peened beyond Aerospace Material Specification reliability standards. The retainers are precision machined, and the single grove valve locks are made to handle most high-lift cam applications. Whether you use them in your street or race machine, Track Max® Pacaloy spring and retainer kits from Trick Flow® are built to perform and will help get the most out of your motor. They're available in a variety of fitment and performance options for applications from the 1990s and up.
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Trick Flow Specialties TFS-214T0425 - Trick Flow® Titanium Valve Spring Retainers
Estimated Ship Date: Apr 13, 2026
Trick Flow Specialties TFS-16917-16 - Trick Flow® by PAC Racing Dual Valve Springs
Estimated Ship Date: Apr 7, 2026
Applications
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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