Availability
Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit
Part Number: TFS-K326-580-520
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Cylinder Head, Twisted Wedge® 170, Aluminum, Fast As Cast®, 61cc CNC-Profiled Chambers, 1.460" Dual Springs, Assembled, Ford 289, 302, 351W, Each
Part Number: TFS-51410010-M61
Need It Sooner? We recommend these similar substitute parts:
Cylinder Head, Twisted Wedge® 170, Aluminum, Fast As Cast®, 61cc CNC-Profiled Combustion Chambers, Bare, Ford 289, 302, 351W, Each
Part Number: TFS-5141B010-M61
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
Pushrod, 5/16 in. Diameter, 7.650 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407650-1
Estimated Ship Date: Dec 31, 2025 if ordered today
Estimated Ship Date: Dec 31, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 6.100 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406100-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 6.200 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406200-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 6.400 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406400-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.050 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407050-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.100 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407100-1
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 7.150 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407150-1
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 7.375 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407375-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.475 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407475-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.550 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407550-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.600 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407600-1
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 7.700 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407700-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.750 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407750-1
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pushrod, 5/16 in. Diameter, 7.775 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407775-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.800 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407800-1
Not Yet Reviewed
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 7.900 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21407900-1
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 8.050 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21408050-1
Not Yet Reviewed
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pushrod, 5/16 in. Diameter, 6.250 in. Long, 4130 Chromoly, 0.080 in. Wall, For Guideplates, Each
Part Number: TFS-21406250-1
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Valve Spring, PAC Racing, Beehive, .930 in./1.025 in. O.D., 300 lbs./in. Rate, 1.060 in. Coil Bind, Each
Part Number: TFS-15410-1
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Valve Springs, PAC Racing, Dual, 1.304 in. Outside Diameter, 433 lbs./in. Rate, 1.000 in. Coil Bind, Set of 16
Part Number: TFS-16917-16
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Lifters, Hydraulic, Retro-Fit Roller-Style, with Vertical Link Bars, Ford 352-428 and 370-460, Pair
Part Number: TFS-21400007-2
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
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