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Hooker

Hooker RacingHeart Street Stock Headers - Painted

Part # 2551HKR Be the first to write a review

SBC Circle Track 1973-1974 Monte Carlo, Malibu, Regal, Cutlass, and Grand Prix; 1970-1974 Camaro and Firebird, Primary Tube Size 1-3/4 inch, Collector Size 3 inch

Hooker RacingHeart Street Stock Headers - Painted

Estimated Ship Date: 07/17/2026
Free Shipping - Lower 48 US States
$306.95
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4

Emissions

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.

    See Emissions Details

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These Hooker RacingHeart headers are for Street Stock cars with Small Block Chevy engine. They fit 1973-1974 GM A-Body vehicles as well as 1970-1974 GM F-body vehicles. They have 1-3/4 inch primaries with 3 inch collectors, 3/8 inch thick flanges to prevent warping and have merge spears for increased velocity. These are black painted mild steel.

Features:

  • Fits both straight and angle plug heads
  • Mandrel-Bent Tubing
  • Merged Collector
  • Gasket and Hardware included

About Hooker

Hooker Headers & exhaust systems are engineered to increase horsepower and torque while improving throttle response. Shop the official site of Hooker at Holley.com.

Air Injection TubesNo
ApplicationStreet Stock
Bolt Size3/8-16 x 3/4 IN
Bolts IncludedYes
Brand Hooker
California Proposition 65Yes
California Proposition 65 Chemical ListChromium
Nickel
CARB (California) CompliantFor Pre-1975 Vehicles only
CategoryExhaust
Collector AttachmentSlip-Fit
Collector Diameter3.00 IN
Collector Reducer IncludedNo
Collector Reducer Outlet DiameterN/A IN
ColorBlack
DesignLong Tube
Drive2WD
EGT PortNo
Emission Code4
EngineChevrolet Small Block Gen I
FinishPainted
Flange Thickness3/8 IN
Gasket Or Seal IncludedYes
Grade TypePerformance
Header SeriesHooker Racingheart Street Stock
Header StyleLong Tube
MaterialMild Steel
Mounting Hardware IncludedYes
Oxygen Sensor PortNo
Part TypeExhaust Header
Port ShapeSquare
Primary Tubing Diameter1 3/4 IN
1.75 IN
Product TypeHeaders
QuantitySold as a Pair
Race OnlyYes
Sub CategoryExhaust Manifolds
Tube Wall Thickness16 GU
UPC090127040140
Part Number2551HKR
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

Engine must be in stock location. Will not clear A/C box. Will not clear stock manual clutch linkage ball. Requires short oil filter.

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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.