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Hooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKR

Hooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKR
Hooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKRHooker 1979-2004 Ford Mustang Racing Heart Long Tube Header 6234-2HKR
$1,211.99 ea
NEWARRIVING SOONEstimated Ship Date 11/18/2025 (If Ordered Today)19 Available from HOLLEY PERFORMANCE PRODUCTS as of 10/30/2025
Model: 4009155
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
Hooker is proud to add more new products to the RacingHeart line of headers. These race only long tube headers for 79-04 Ford Mustangs with Big Block Chevy engines feature 2-1/8" diameter primary tubes and 3-1/2"collectors with merge spears. They are available in natural or polished 304 stainless steel, as well as black painted or ceramic coated mild steel.
Features:
  • Available In Natural 304 Stainless Steel
  • Gaskets And Hardware Included
  • For Use With AJE K-Member And Engine Mounts
  • For Racing Use Only
Holley Performance Emission Code 4: This part is legal for sale or use on Racing Use Only Vehicles. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Ford Mustang 1979 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1980 4.2L / 255 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1981 4.2L / 255 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1982 4.2L / 255 / V8
5.0L / 302 / V8		 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1983 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1984 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1985 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1986 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1987 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1988 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1989 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1990 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1991 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1992 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1993 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1994 5.0L / 302 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1995 5.8L / 351 / V8
5.0L / 302 / V8		 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1996 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1997 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1998 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 1999 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 2000 5.4L / 330 / V8
4.6L / 281 / V8		 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 2001 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 2002 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 2003 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty
Ford Mustang 2004 4.6L / 281 / V8 Tubing Diameter 2.125 in.; Collector Size 3.5 in.; Classic 4 Into 1; Merged And Split-Flow; 304 Stainless Steel Natural;Intended For Race Use Only
Breaking In An Engine w/Ceramic Coated Headers Will Damage Coating~Breaking In An Engine w/Ceramic Coated Headers Will Void All Warranties~Header Wraps Can Cause Header Tube Cracks/Rust From Excessive Heat/Moisture~Hooker Does Not Recommend The Use Of Header Wraps/Will Void The Warranty

Specifications:

Application Race Car
Coated Finish Natural
Collector Diameter 3.50 inch
Collector Tube Size 3.500 in.
Emission Code 4
Engine Big Block Chevy
Engine Make/Size Chevy Big Block
Header Finish Natural
Header Style Long Tube
Material 304 Stainless Steel
Part Type Exhaust Header
Port Shape Round
Primary Tube Dia. 2-1/8 inch
Tube Diameter 2.125 in.
Tube Direction Down Swept
Tube Material 304 Stainless Steel

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