Cylinder Heads

Nitrous Oxide, TFX™, Spray Bar Installation Kit, Intake Gaskets, 3 in. Studs, Kit

Part Number: TFS-N515R-8HK

Estimated Ship Date: Today

Hardware and Gasket Kit, Bolts and Gaskets for Trick Flow® Heat Spacer, Kit

Part Number: TFS-5152HK22

Estimated Ship Date: Today

Hardware and Gasket Kit, Bolts and Gaskets for Trick Flow® Heat Spacer, Kit

Part Number: TFS-5152HK21

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 5.700 in. Length, Big Ford, Each

Part Number: TFS-54400213-1

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.271 in. Length, Big Ford, Each

Part Number: TFS-53400213-1

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.471 in. Length, Big Chevrolet, Each

Part Number: TFS-41400212

Estimated Ship Date: Today

Valve, Exhaust, Stainless Steel, 1.760 in. Diameter, .341 in. Stem, 5.060 in. Length, Big Ford, Each

Part Number: TFS-53400212-1

Estimated Ship Date: Today

Valve Springs, PAC Racing, Single, 1.015 in. Outside Diameter, 156 lbs./in. Rate, 1.020 in. Coil Bind, Set 16

Part Number: TFS-15101

Estimated Ship Date: Today

Rocker Arm, 1.72 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small Ford and 351W, Each

Part Number: TFS-51400511-1

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.060 in. Length, Small Chevrolet, Each

Part Number: TFS-32400210

Estimated Ship Date: Today

Valves, Intake, Stainless Steel, 2.190 in. Diameter, .344 in. Stem, 5.500 in. Length, Each

Part Number: TFS-56400211-1

Estimated Ship Date: Today

Valve Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Pair

Part Number: TFS-16896-2

Estimated Ship Date: Nov 24, 2026 if ordered today

• Special Order

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.160 in. Length, Small Ford, Each

Part Number: TFS-51700212-1

Estimated Ship Date: Today

Guideplate, Flat, 3/8 in. Pushrod Size, Ford, 289, 302, 351W, Twisted Wedge® Heads, Each

Part Number: TFS-51400624-1

Estimated Ship Date: Today

Guideplates, Flat, 5/16 in. Pushrod Size, Chevy, Small Block, Trick Flow® 23 Degree, Set of 4

Part Number: TFS-30400623-4

Estimated Ship Date: Today

Hardware and Gasket Kit, Bolts and Gaskets for Trick Flow® Heat Spacer, Kit

Part Number: TFS-5152HK03

Estimated Ship Date: Today

Hardware and Gasket Kit, Bolts and Gaskets for Trick Flow® Heat Spacer, Kit

Part Number: TFS-5152HK04

Estimated Ship Date: Today

Hardware and Gasket Kit, Bolts and Gaskets for Trick Flow® Heat Spacer, Kit

Part Number: TFS-5152HK18

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.471 in. Length, Big Chevrolet, Each

Part Number: TFS-41400210

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.200 in. Diameter, .341 in. Stem, 5.271 in. Length, Big Ford, Each

Part Number: TFS-53400211-1

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.755 in. Length, Big Ford, Each

Part Number: TFS-54400211-1

Estimated Ship Date: Today

Valve Springs, PAC Racing, Beehive, .943 in./1.105 in. O.D., 324 lbs./in. Rate, .900 in. Coil Bind, Pair

Part Number: TFS-16123-2

Estimated Ship Date: Today

Valve Springs, PAC Racing, Beehive, 1.095 in./1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind, Pair

Part Number: TFS-16120-2

Estimated Ship Date: Today

Valve Seats, Intake Seat Location, Ductile Iron, 1.950 in. o.d, Ford, 4.6L, 5.4L, TFS R Series Heads, Set of 4

Part Number: TFS-52900271

Estimated Ship Date: Today

Valve Springs, PAC Racing, Single, 1.244 in. Outside Diameter, 450 lbs./in. Rate, 1.150 in. Coil Bind, Pair

Part Number: TFS-16941-2

Estimated Ship Date: Today