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: Today

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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: Today

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

Part Number: TFS-51900251

Estimated Ship Date: Today

Valve Seat, Ductile Iron, Trick Flow Replacement Exhaust, Ford, 4.6, 5.4L, Set of 4

Part Number: TFS-51900272

Estimated Ship Date: Today

Valve Seat, Ductile Iron, Intake, Ford, 4.6, 5.4L, Set of 4

Part Number: TFS-51900271

Estimated Ship Date: Today

Valve Spring Cups, 1.175 in. Spring Diameter, .280 in. Cup Thickness, Steel, Set of 8

Part Number: TFS-52900434

Estimated Ship Date: Today

Valve Spring Retainers, 1.100 in. Spring Diameter, 7 Degree Lock, Dual Springs, Steel, Set of 8

Part Number: TFS-52900423

Estimated Ship Date: Apr 6, 2026 if ordered today

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