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Hooker BlackHeart Mid-Length Headers - Ceramic Coated

Part # 2471-1HKR Be the first to write a review

1970-1974 GM LS 2nd Gen (Camaro/Firebird) Mid Length Headers 1-3/4, Collector Size 2-1/2, Port Shape - round

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Hooker BlackHeart Mid-Length Headers - Ceramic Coated

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1970-1974 GM LS 2nd Gen (Camaro/Firebird) Mid Length Engine Swap Headers for LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps requiring maximum ground clearance. Not legal for use on pollution controlled motor vehicles

Features:

  • Premium fitment with optimized ground clearance
  • Laser cut 3/8” flanges with flat-finished TIG welded port sealing
  • 1-3/4” primaries/2.5" collectors
  • Designed and intended for installation only with Hooker LS swap engine mounting brackets and transmission crossmembers for this application. Will not install with any other brand of mounts
  • Compatible with Quick Time™ bellhousings (hydraulic clutch only, stock A/C evaporator case on firewall, straight boot spark plug wires and Holley LS swap oil pan and accessory drive brackets
  • Connects directly to Hooker 2.5” 2nd-gen F-body exhaust system through the use of an available mid-pipe kit
  • Compatible with stock or half-height subframe/body mounts
  • Automatic and manual transmission compatible
  • Will not install with factory column shift linkage. Lokar or similar aftermarket shift cable or linkage required for column shift applications.

About Hooker BlackHeart

Shop the official site of Hooker BlackHeart and explore exhaust systems, engine swap kits, and mufflers for both import and domestic vehicles at Holley.com!

Application1970-1974 Camaro/Firebird
Bolt SizeM8 x 1.25 x 25mm
Brand Hooker BlackHeart
CARB (California) CompliantNo
CategoryExhaust
Collector Diameter2.50 inch
Emission Code4
EngineGM Gen III/IV (LS)
Exhaust SeriesHooker BlackHeart
Header FinishSilver Ceramic
Header StyleMid Length
MaterialMild Steel
Primary Tube Dia.1-3/4 inch
Product TypeHeaders
SubframeStock
Tube MaterialMild Steel
Type of ComponentHeaders
WarrantyManufacturer's Limited Lifetime Warranty
UPC090127682708
Part Number2471-1HKR
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

These headers were not designed for bolt-in compatibility with a 4L80 transmission. The ears on the side of the transmission would have to be trimmed for clearance to permit the installation of these headers. Do not use header wraps; they can cause header tube cracking from excessive heat or rust from moisture build-up and void the warranty. Breaking in an engine with ceramic-coated headers can damage the coating and void the warranty. Use cast-iron exhaust manifolds or old headers during engine break-in to prevent coating damage. Ceramic-coated headers require several heat cycles to fully cure before withstanding extreme heat. For additional information about ceramic-coated exhaust products, call Hooker Technical Service at 270-781-9741.
Manufacturer's Limited Lifetime Warranty: See Details
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    Some parts are not legal for use in California or other states with similar regulations.