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Hooker Competition Mid-Length Header - Black Ceramic Coated

Replaced by part number 70201506-3HKR

PART# 2474-3HKR

Not Available Online

1.) O2 bungs are not present on these headers, but are provided on the related available adapter tubes 2.) Bolt-in compatible with T56, T56 Magnum and 4L60-4L70 transmissions 3.) Installation with a 4L80/4L85 automatic transmission will require trimming to the transmission case bellhousing; installation will older generation GM automatics (TH350, TH400 etc.) may also require trimming to the transmission case bellhousing

Overview

Hooker Headers' LS Swap component systems are 1967-1969 GM F-Body (Camaro and Firebird) and 1968-1974 GM X-Body (Chevy Nova, Pontiac Ventura, Buick Apollo and Oldsmobile Omega) vehicles. This Mid-Length header is finished in a durable black ceramic coating and features 1 7/8" primary tubing flowing through high quality steel tubing and exiting in a tightly formed 2.5" collector all designed for maximum ground clearance and power generation.

Features:

  • Flat-finished TIG welded flanges provide superior port sealing
  • Design provides maximum ground clearance available from a set of headers; ideal for extremely low vehicle ride heights
  • Bend geometry optimized for superior spark plug serviceability and plug boot/wire clearance
  • Compatible with OE manual, OE power (Saginaw 800), 3rd-gen F-body, 1983-88 G-body quick ratio and Delphi 600 series steering boxes
  • Available adapters provide bolt-in connection to Hooker 2.5” and 3” exhaust systems for this vehicle application
  • Compatible with Ridetech Tru-Turn steering system components
  • Ceramic coated steel construction provides improved thermal efficiency, corrosion resistance and visual appearance over painted steel versions of these headers

Specs

BrandHooker
Collector Diameter3 inch
Emission Code3
Header FinishBlack Ceramic
Header StyleMid Length
Primary Tube Dia.1-7/8 inch
Product TypeMid Length Headers
Tube MaterialMild Steel
Part Number2474-3HKR

Tech Resources

1.) O2 bungs are not present on these headers, but are provided on the related available adapter tubes 2.) Bolt-in compatible with T56, T56 Magnum and 4L60-4L70 transmissions 3.) Installation with a 4L80/4L85 automatic transmission will require trimming to the transmission case bellhousing; installation will older generation GM automatics (TH350, TH400 etc.) may also require trimming to the transmission case bellhousing

Emissions

This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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