1997 Cylinder Heads

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.471 in. Length, Big Chevrolet, Each

Part Number: TFS-41400211

Estimated Ship Date: Today

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

Part Number: TFS-N515R-8HK

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, 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: Dec 14, 2026 if ordered today

• Special Order

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

Valve, Intake, Stainless Steel, 2.020 in. Diameter, .341 in. Stem, 5.160 in. Length, Small Ford, Each

Part Number: TFS-51700211-1

Estimated Ship Date: Today

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, Ford, 302, 351W, High Port®, Set of 4

Part Number: TFS-51700623-4

Estimated Ship Date: Today

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.960 in. Length, Small Chevrolet, Each

Part Number: TFS-30300211

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

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

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, 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, 2.300 in. Diameter, .341 in. Stem, 5.755 in. Length, Big Ford, Each

Part Number: TFS-54400211-1

Estimated Ship Date: Today

Valve, Exhaust, Severe Duty, Stainless Steel, 1.600 in. Diameter, .314 Stem, 5.200 in. Length, Twisted Wedge 11R®, Each

Part Number: TFS-52500214-1

Estimated Ship Date: Today

Valve, Intake, Severe Duty, Stainless Steel, 2.080 in. Diameter, .314 Stem, 5.200 in. Length, Twisted Wedge 11R®, Each

Part Number: TFS-52500217-1

Estimated Ship Date: Today

Replacement Hardware, Used with TFS-31520004, Kit

Part Number: TFS-3152HK04

Estimated Ship Date: Nov 30, 2026 if ordered today

• Special Order

Throttle Body Gaskets, Composite, 77mm., Chevy, Set of 4

Part Number: TFS-30620004-G4

Estimated Ship Date: Dec 14, 2026 if ordered today

• Special Order

Guideplates, Raised, 7/16 in. Pushrod Size, Ford, 429, 460, Trick Flow®, A-460, Each

Part Number: TFS-54400624-1

Estimated Ship Date: Dec 14, 2026 if ordered today

• Special Order

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

• Special Order