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Hooker Competition Headers 6921HKR Headers, Competition, Long Tube, Steel, Painted, Ford, Mercury, 351C, 2V, Pair

SKU: HOK6921HKR

Headers

Hooker Competition Headers 6921HKR Headers, Competition, Long Tube, Steel, Painted, Ford, Mercury, 351C, 2V, Pair

SKU: HOK6921HKR

Headers
A$1,463.91
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Fits 2-v heads only. Will not fit vehicles equipped with power steering. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.

Hooker Competition headers are designed for stock or mildly modified engines for the value-conscious buyer. Made from durable 16-gauge steel, Competition headers feature 5/16 in. thick flanges that are heavy enough to maintain header integrity, yet pliable enough to seal each exhaust port. Unless otherwise noted, these headers are designed to fit the vehicle as it came from the manufacturer. This includes components like cylinder heads, chassis, steering, motor mounts, body mounts and bushings, etc. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.

Part Type

Headers - 71-73 Mustang 351C

Data: v4.2 - Upd: 2026-09-29 03:34:45

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
6921HKR
Product Attributes - Part Type
Headers
Product Attributes - Product Line
Hooker Competition Headers
Product Attributes - UPC
700414057965
Product Attributes - Header Style
Long tube one-piece
Product Attributes - Header Material
Steel
Product Attributes - Primary Tube Outside Diameter (in.)
1 3/4 in.
Product Attributes - Header Color
Temporary non-high temperature paint
Product Attributes - Flange Style
Standard
Product Attributes - Weld-Up
No
Product Attributes - Collector Attachment
3-bolt flange
Product Attributes - Collector Diameter (in.)
3.00
Product Attributes - Collector Reducers Included
No
Product Attributes - Tuned
No
Product Attributes - Primary Tube Gauge
16-gauge
Product Attributes - Flange Thickness (in.)
0.31 in.
Product Attributes - Bolts/Studs Included
Yes
Product Attributes - Gaskets Included
Yes
Product Attributes - Crossover Pipe Included
No
Product Attributes - Catalytic Converter(s) Included
No
Product Attributes - Motor Mounts Included
No
Product Attributes - Transmission Mount Included
No
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
Fits 2-v heads only. Will not fit vehicles equipped with power steering. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hok6921HKR
SFX Item ID 5013333
Supplier Item Code 5013333
Manufacturer SKU 6921HKR
Manufacturer UPC 700414057965
Alternative References HKR6921, HKR6921HKR, 351C, 2V

Compatibility

Application Data
  • MakeFORD
    ModelMUSTANG
    SubmodelBASE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelMUSTANG
    SubmodelGRANDE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelMUSTANG
    SubmodelMACH 1
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelRANCHERO
    Submodel500
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelRANCHERO
    SubmodelBASE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelRANCHERO
    SubmodelGT
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelRANCHERO
    SubmodelSQUIRE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelTORINO
    Submodel500
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelTORINO
    SubmodelBASE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelTORINO
    SubmodelBROUGHAM
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelTORINO
    SubmodelGT
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeFORD
    ModelTORINO
    SubmodelSQUIRE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelCOUGAR
    SubmodelBASE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXR-7
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelCYCLONE
    SubmodelBASE
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelCYCLONE
    SubmodelGT
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSPOILER
    Beginning Year1971
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelMONTEGO
    SubmodelBASE
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelMONTEGO
    SubmodelGT
    Beginning Year1972
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelMONTEGO
    SubmodelMX
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelMONTEGO
    SubmodelMX BROUGHAM
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes
  • MakeMERCURY
    ModelMONTEGO
    SubmodelVILLAGER
    Beginning Year1971
    Ending Year1973
    Engine TypeV8
    Engine FamilyFORD CLEVELAND V8 GAS
    Engine Size5.8L/351
    DrivetrainRWD
    Power SteeringNo
    Power Brakes (application)Yes
    Air ConditioningYes
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftNo
    Automatic Transmission Column ShiftYes
    Automatic Transmission Floor ShiftYes

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