Trick Flow Valve Spring Upgrade Kit for Ford 289-351W Twisted Wedge & Track Heat Heads, Steel Retainers .600 max lift

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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, rated to about .600 lift. Kit also includes valve spring shims. No spring cups included.

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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