Trick Flow Valve Spring Upgrade Kit for Ford 289-351W Twisted Wedge & Track Heat Heads, Steel Retainers

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TFS-2500200
Trick Flow valve spring upgrade 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.

Note: Designed to upgrade Ford 289-351W engines with standard Twisted Wedge cylinder heads to Track Heat cylinder head specifications. Kit also includes valve spring shims.

Description

Specs:
Valve Spring Style: Standard
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Steel
Outside Diameter of Outer Spring (in.): 1.460 in.
Coil Bind Height (in.): 1.013 in.
Damper Spring Included: No
Spring Rate (lbs/in.): 452 lbs./in.
Inside Diameter of Outer Spring (in.): 1.090 in.
Inside Diameter of Inner Spring (in.): 0.730 in.
Locks Included: Yes
Lock Material: Steel
Lock Groove Quantity: 1-groove
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Valve Springs Coated: No
Valve Stem Diameter (in.): 0.341 in.
Valve Stem Diameter (mm): 8.66mm
Remanufactured: No
Quantity: Sold as a kit.
Notes: Designed to upgrade Ford 289-351W engines with standard Twisted Wedge cylinder heads to Track Heat cylinder head specifications. Kit also includes valve spring shims.

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