Availability
Cylinder Heads
Valve Spring Retainers, Chromoly Steel, 10 Degree, Dual spring +.050, 1.550 in. O.D., .686 in. I.D., Each
Part Number: TFS-41400423-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, 5/16 in. Diameter, 6.450 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406450-1
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Valve Spring, PAC Racing, Single, 1.488 in. Outside Diameter, 358 lbs./in. Rate, 1.040 in. Coil Bind, Each
Part Number: TFS-16514-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, PAC Racing, Beehive, .940 in./1.050 in. O.D., 209 lbs./in. Rate, .980 in. Coil Bind, Set of 16
Part Number: TFS-16519-16
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Nuts, 12-Point Head, Steel, Black Oxide, 5/16 in.-24 RH Thread, Set of 5
Part Number: TFS-51612PTNUT-5
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, 3/8 in. Diameter, 8.550 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21418550-1
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 6.500 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406500-1
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 6.550 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406550-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, 5/16 in. Diameter, 6.700 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406700-1
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Valve Seat, Ductile Iron, Intake, Ford, 4.6, 5.4L, Set of 4
Part Number: TFS-51900271
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, PAC Racing, Single, .953 in. Outside Diameter, 144 lbs./in. Rate, .860 in. Coil Bind, Set 16
Part Number: TFS-15100
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrods, 5/16 in. Diameter, Chromoly, 0.080 in. Wall, for Guideplates, Chrysler, Dodge, 5.7L, 6.4L, Set of 16
Part Number: TFS-21464000
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Valve Spring Retainer, Titanium, 10 Degree, 1.500 in. Outside Diameter, .765 in. Inside Diameter, Each
Part Number: TFS-214T0620-1
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Valve Springs, PAC Racing, Beehive, 1.055 in./1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind,
Part Number: TFS-16915-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring Locator, Outside, Steel, .060 in. Thick, 1.415 in. O.D., 1.270 in. Spring O.D., Each
Part Number: TFS-31400433-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Forged, Dish, 4.125 in. Bore, Ford, 351, Each
Part Number: TFS-516043301251
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Cover, Tall Height, 3 7/8" Overall Height, Cast Aluminum, Natural Finish, Small Ford, Each
Part Number: TFS-5140B802-1
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Seat, Ductile Iron, Intake, 2.125 in. Outside Diameter, Chevy, Small Block, LS1, Each
Part Number: TFS-30600271-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, PAC Racing, Single, 1.265 in. Outside Diameter, 526 lbs./in. Rate, 1.150 in. Coil Bind, Each
Part Number: TFS-16846-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, 3/8 in. Diameter, 9.600 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21419600-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Pushrod, 3/8 in. Diameter, 8.500 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21418500-1
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 8.300 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21408300-1
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 7.350 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407350-1
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Guideplate, Raised, 3/8 in. Pushrod Size, Ford, 429, 460, Each
Part Number: TFS-53400623-1
Estimated Ship Date: Today
Estimated Ship Date: Today