Availability
CHEVROLET Cylinder Heads
Headers, Upsweep, Stainless Steel, Natural, 2.50 in. Tube, 4.00 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-UPBBC250
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Rocker Arms, 1.5/1.6 Ratio Split, 7/16 in. Stud, Full Roller, Aluminum, Small Chevy, Set of 16
Part Number: TFS-31400522
Estimated Ship Date: Feb 16, 2027 if ordered today
Estimated Ship Date: Feb 16, 2027 if ordered today
Rocker Arm, 1.6 Ratio, 3/8 in. Stud, Narrow Body, Full Roller, Aluminum, Chevy 5.0L/5.7L, Each
Part Number: TFS-31400513-1
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Replacement Hardware, Used with TFS-31520004, Kit
Part Number: TFS-3152HK04
Estimated Ship Date: Dec 15, 2026 if ordered today
Estimated Ship Date: Dec 15, 2026 if ordered today
Throttle Body Spacer, Phenolic, Natural, 1 in., Chevy, GMC, Each
Part Number: TFS-30620002
Estimated Ship Date: Dec 21, 2026 if ordered today
Estimated Ship Date: Dec 21, 2026 if ordered today
Gaskets, Throttle Body, Composite, 44.45mm Bore, Chevy, 4.3/5.0/5.7L, Set of 4
Part Number: TFS-31520001-G4
Estimated Ship Date: Dec 15, 2026 if ordered today
Estimated Ship Date: Dec 15, 2026 if ordered today
Guideplates, Flat, 5/16 in. Pushrod Size, Chevy, Small Block, Trick Flow® 23 Degree, Each
Part Number: TFS-30400623-1
Estimated Ship Date: Dec 15, 2026 if ordered today
Estimated Ship Date: Dec 15, 2026 if ordered today
Guide Plate, Steel, Flat, 5/16 in. Pushrods, Trick Flow®, Chevy, Gen X®, LT1, Each
Part Number: TFS-30400624-1
Estimated Ship Date: Dec 15, 2026 if ordered today
Estimated Ship Date: Dec 15, 2026 if ordered today
Cylinder Head, Super 23® 195, Fast As Cast®, Bare, 64cc CNC Chambers, Perimeter Bolt Covers, Small Chevy, Each
Part Number: TFS-3041B002-M64
Estimated Ship Date: Jan 20, 2027 if ordered today
Estimated Ship Date: Jan 20, 2027 if ordered today
Cylinder Head, PowerPort® 365, CNC Competition Port, Bare, 119cc CNC, Big Chevy, Each
Part Number: TFS-4141B804-C02
Estimated Ship Date: Jan 21, 2027 if ordered today
Estimated Ship Date: Jan 21, 2027 if ordered today
Head Combo, Rockers, Head Bolts, Cam, Button and Lock Plate, Pushrod Length Checker, Timing Set, Gaskets, Kit
Part Number: TFS-K314-465-450
Estimated Ship Date: Feb 18, 2027 if ordered today
Estimated Ship Date: Feb 18, 2027 if ordered today
Head Combo, Rockers, Head Bolts, Camshaft, Button and Lock Plate, Pushrod Length Checker, Timing Set, Gaskets, Kit
Part Number: TFS-K314-500-450
Estimated Ship Date: Feb 18, 2027 if ordered today
Estimated Ship Date: Feb 18, 2027 if ordered today
Head Combo, Rockers, Head Bolts, Camshaft, Button and Lock Plate, Pushrod Length Checker, Timing Set, Gaskets, Kit
Part Number: TFS-K314-445-405
Estimated Ship Date: Feb 18, 2027 if ordered today
Estimated Ship Date: Feb 18, 2027 if ordered today
Head Combo, Rockers, Head Bolts, Camshaft, Timing Set, Gaskets, Bolts, Chevy, 5.7L, Kit
Part Number: TFS-K315-465-450
Estimated Ship Date: Feb 18, 2027 if ordered today
Estimated Ship Date: Feb 18, 2027 if ordered today
Head Combo, GenX® Top-End, 485 hp/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-485-460
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Head Combo, GenX® Top-End, 500 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-500-460
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Cylinder Head, GenX® 220, Fast As Cast®, Bare, 64cc CNC Chambers, GM LS1, Each
Part Number: TFS-3061B001
Estimated Ship Date: Jan 25, 2027 if ordered today
Estimated Ship Date: Jan 25, 2027 if ordered today
Cylinder Head, Super 23® 175, Aluminum, Fast As Cast®, 56cc CNC Combustion Chambers, Bare, Center Bolt Valve Cover, Small Chevy, 262/283/305/350, Each
Part Number: TFS-3031B005
Estimated Ship Date: Jan 25, 2027 if ordered today
Estimated Ship Date: Jan 25, 2027 if ordered today