Availability
CHEVROLET Cylinder Heads
Head Gasket, Multi-Later Steel, MLS, 4.185 in. Bore, .051 in. Compress Thick, GM LSX, 6-Bolt, Left Side, Each
Part Number: TFS-30694185L051
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Exhaust, Stainless Steel, 1.575 in. Diameter, 8.0mm Stem, 124.8mm Length, GenX®, GM LS, Each
Part Number: TFS-30600212-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 65cc CNC Chambers, GM LS2, Each
Part Number: TFS-30610002
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Roller, Advertised Duration 286/282, Lift .575/.575, Lobe Sep. 112, GM LS, Each
Part Number: TFS-30602002
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, Multi-Later Steel, MLS, 4.200 in. Bore, .040 in. Compressed Thickness, Small Chevy, Each
Part Number: TFS-30494200-040
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Weld-Up, Custom, Stainless Steel, Natural, 2 in. Primary Tubes, Chevy, LS, Kit
Part Number: TFS-HBK200LS
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Gaskets, Rubber with Steel Core, Chevy, Small Block, Pair
Part Number: TFS-31500811-GK
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Turbo, Down/Forward, Stainless, Natural, 2.50 in. Tube, 3.50 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-BBCDFT
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, 1.5/1.6 Ratio Split, 3/8 in. Stud, Narrow Body, Full Roller, Aluminum, Chevy 5.0L/5.7L, Set of 16
Part Number: TFS-31400514
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Steel Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500286
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifter Valley Plate, Cast Aluminum, No PCV, LS, Each
Part Number: TFS-30700820
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Blue, 3/8 in.-24 Thread, Chevy, Small Block, Kit
Part Number: TFS-30400700
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve, Intake, Stainless Steel, 2.350 in. Diameter, .341 in. Stem, 5.610 in. Length, Big Chevrolet, Each
Part Number: TFS-414C0211
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Stainless Steel, Natural, 1.875 in. Tube, 3.00 in. Collector, Chevy, Small Block LS, Pair
Part Number: TFS-CVLS1
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Cylinder Head, GenX® 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 370 Lb. Springs, Ti Retain, GM LS, Each
Part Number: TFS-3271T001-C01
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Cylinder Head, GenX® 235, Competition Ported, Assembled, 70cc CNC Chambers, Ti Retainers, 6-Bolt, GM LSX, Each
Part Number: TFS-3061T003-C03
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Head Gasket, Multi-Layer Steel, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, GM 6.0L LS2, Each
Part Number: TFS-30694060-045
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, GenX® 260, CNC Competition Ported, Assembled, 70cc CNC Chambers, 370 Lb. Springs, GM LSX, Each
Part Number: TFS-32710001-C01
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Cylinder Head, Super 23® 230, CNC Comp Port, Assy, 70cc CNC Chambers, 420 Spring, Ti Retain, Small Chevy, Each
Part Number: TFS-3241T002-C03
Estimated Ship Date: Feb 5, 2027 if ordered today
Estimated Ship Date: Feb 5, 2027 if ordered today
Cylinder Head, Super 23® 230, CNC Competition Ported, Assy, 70cc CNC Chambers, 460 Spring, Small Chevy, Each
Part Number: TFS-32410001-C03
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Seats, Ductile Iron, Intake, 2.450 in. Outside Diameter, Chevy, Big Block, Set of 8
Part Number: TFS-41400271-8
Estimated Ship Date: Today
Estimated Ship Date: Today
Cylinder Head, Super 23® 215, CNC Competition Ported, Assembled, 67cc CNC-Profiled Combustion Chambers, 1.550" Springs, Small Chevy, 350, 400, Each
Part Number: TFS-32410007-C01
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, PAC Racing, Dual, 1.300 in. Outside Diameter, 392 lbs./in. Rate, 1.065 in. Coil Bind, Set of 16
Part Number: TFS-16905-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain and Gear Set, Double Roller, Billet Steel Sprockets, Chevy, 4.8, 5.3, 6.0, 6.2L, 1-Bolt, Set
Part Number: TFS-30778535
Estimated Ship Date: Today
Estimated Ship Date: Today
Guideplates, Raised, 3/8 in. Pushrod Size, Chevy, Big Block, Set of 8
Part Number: TFS-41400624
Estimated Ship Date: Today
Estimated Ship Date: Today