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In-Store Pickup Location

Trick Flow® Valve Spring Upgrade Kits TFS-2500400

Trick Flow Specialties TFS-2500400 - Trick Flow® Valve Spring Upgrade Kits

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Valve Springs, Retainers, Dual Springs, Titanium Retainers, Steel Locks, Single Groove, Kit

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  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight and oversize fees. Valid on orders shipped in the contiguous United States.

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Brand: Trick Flow Specialties

Manufacturer's Part Number: TFS-2500400

Part Type: Valve Spring and Retainer Kits

Product Line: Trick Flow® Valve Spring Upgrade Kits

Summit Racing Part Number: TFS-2500400

UPC: 842645105500

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): 1.300 in.

Coil Bind Height (in): 1.100 in.

Damper Spring Included: No

Spring Rate (lbs/in): 408 lbs./in.

Inside Diameter of Outer Spring (in): 0.895 in.

Inside Diameter of Inner Spring (in): 0.655 in.

Valve Springs Coated: No

Valve Stem Seals Included: Yes

Valve Guide Diameter (in): 0.500 in.

Quantity: Sold as a kit.

Notes: Designed to upgrade GM LS-based engines with Trick Flow cylinder heads. 0.700 in. maximum valve lift.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

These kits include everything that you need to install a high performance cam. The kits contain valve springs with dampers, chromoly retainers, valve seals, locks, spring shims, and a spring height gauge. Instructions are also included.


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Some parts are not legal for use in California or other states with similar laws / regulations

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