Valve Springs, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Set of 16

Part Number: TFS-16521-16

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Valve Guides, Powdered Metal, Exhaust, Ford, 4.6L, 5.4L, 185 Twisted Wedge®, Set of 4

Part Number: TFS-51900252

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Valve Spring Retainers, Steel, Fits TFS-52900415 Only, Set of 8

Part Number: TFS-52900424

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Valve Guides, Powdered Metal, Intake, Ford, 4.6L, 5.4L, 185 Twisted Wedge®, Set of 4

Part Number: TFS-51900251

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Valve Spring Cups, 1.175 in. Spring Diameter, .045 in. Cup Thickness, Steel, Set of 8

Part Number: TFS-52900444

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Valve Seats, Intake Seat Location, Ductile Iron, 1.950 in. o.d, Ford, 4.6L, 5.4L, TFS R Series Heads, Set of 4

Part Number: TFS-52900271

Estimated Ship Date: Monday 11/2/2026 if shipped by air