Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500287P

Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number:
TFS-2500287P
UPC:
842645120596
Number of Springs Per Valve:
Dual
Valve Spring Style:
Standard
Valve Stem Diameter (in):
0.315 in.
Valve Stem Diameter (mm):
8.00mm
Retainers Included:
Yes
Retainer Material:
Titanium
Locks Included:
Yes
Lock Style:
7 degree
Lock Groove Quantity:
1-groove
Lock Material:
Steel
Outside Diameter of Outer Spring (in):
1.304 in.
Coil Bind Height (in):
1.015 in.
Damper Spring Included:
No
Spring Rate (lbs/in):
392 lbs./in.
Inside Diameter of Outer Spring (in):
0.950 in.
Inside Diameter of Inner Spring (in):
0.694 in.
Valve Springs Coated:
No
Valve Stem Seals Included:
Yes
Quantity:
Sold as a kit.
Notes:
Commonly used with Gen. 3 and Gen. 4 Chevy LS engines. Fits cathedral and rectangle port heads other than LS9. Can be used with LS7 with .045 in. shims.

Trick Flow® Double platinum .660 LS Dual valve spring and retainer kits are designed to provide maximum performance and reliability for your LS based build. All components are made from a proprietary blend of alloys and tested under rigorous conditions to ensure that they perform and last at the highest levels. These racing valve springs are made with cutting-edge material and processing advancements.
The retainers are available in titanium or chromoly steel and are precision machined to reduce unnecessary weight. The kits are designed for drop in installation into any standard LS style heads with no machining and include all necessary components and work with most hydraulic roller valvetrains.
Whether you use them in your street or race machine, Trick Flow® Double platinum .660 LS Dual valve spring are built to perform and will help get the most out of your LSX.

Warranty

Documentation

Documentation: Instructions, charts, guides and technical information for part number TFS-2500287P


Applications

1 of 1

Installed Height (in): 1.800 in.

Seat Pressure at Installed Height (lbs): 160 lbs.

Open Height (in): 1.130 in.

Open Pressure (lbs): 425 lbs.

Application Notes: 0.735 in. max lift.


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