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Hooker RacingHeart 3-Step Dragster Headers 2502-2HKR Headers, Downsweep, Primary, 4.5 in. Collector, Stainless Steel, Polished, Big Block, Chevrolet, Pair

SKU: HOK2502-2HKR

Headers

Hooker RacingHeart 3-Step Dragster Headers 2502-2HKR Headers, Downsweep, Primary, 4.5 in. Collector, Stainless Steel, Polished, Big Block, Chevrolet, Pair

SKU: HOK2502-2HKR

Headers
A$4,610.89
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Hooker introduces the RacingHeart 3-Step Dragster headers. The big block Chevy downswept headers feature 2.125 in./2.25 in./2.375 in. stepped primary tubes and 4.5 in. collectors with merge spears to maximize exhaust flow—resulting in horsepower and torque gains over a broad rpm range. RacingHearts are available in chrome plated mild steel or polished 304 stainless steel.

Product details:

* Collectors feature merge spears for increased exhaust velocity
* 3/8 in. thick header flanges for strength and maximum sealing surface
* Features bungs for Evac systems (Evac tubes and plugs included)

Part Type

Headers

Data: v4.2 - Upd: 2026-10-07 02:30:23

Specifications

Product Attributes - Brand
Hooker Headers
Product Attributes - Manufacturer's Part Number
2502-2HKR
Product Attributes - Part Type
Headers
Product Attributes - Product Line
Hooker RacingHeart 3-Step Dragster Headers
Product Attributes - UPC
090127061237
Product Attributes - Header Style
Dragster Downsweep
Product Attributes - Header Material
304 stainless steel
Product Attributes - Primary Tube Outside Diameter (in.)
2 1/8 - 2 1/4 - 2 3/8 in.
Product Attributes - Header Color
Polished
Product Attributes - Flange Style
Standard
Product Attributes - Weld-Up
No
Product Attributes - Cylinder Head Port Shape
Round
Product Attributes - Collector Attachment
Slip fit
Product Attributes - Collector Diameter (in.)
4.50
Product Attributes - Collector Reducers Included
No
Product Attributes - Tuned
No
Product Attributes - Primary Tube Length (in.)
30 in.
Product Attributes - Flange Thickness (in.)
0.38 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.

Reference Information

Brand Name/s Hooker Headers
StreetFX SKU hok2502-2HKR
SFX Item ID 5013381
Supplier Item Code 5013381
Manufacturer SKU 2502-2HKR
Manufacturer UPC 90127061237
Alternative References HKR2502-2HKR, 3-Step

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes
  • MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes
  • MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine FamilyChevy big block Gen V
    Engine Size7.4L/454
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes
  • MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine FamilyChevy big block Gen VI
    Engine Size7.4L/454
    Power SteeringNo
    Power Brakes (application)No
    Air ConditioningNo
    Standard Transmission Column ShiftNo
    Standard Transmission Floor ShiftYes
    Automatic Transmission Column ShiftNo
    Automatic Transmission Floor ShiftYes

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