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Hooker BlackHeart

Hooker BlackHeart LS Swap Mid-Length Headers - Stainless

1978-1988 GM A/G-Body (Monte Carlo/Malibu/El Camino/Cutlass/Grand Prix/Regal/Bonneville), Mid-Length LS-Swap, 1-7/8", Collector Size 3", 304 Stainless Steel

Part # 70201304-RHKR Be the first to write a review

Hooker BlackHeart LS Swap Mid-Length Headers - Stainless

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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
Hooker continues to set the standard of performance with the Blackheart line of engine swap system components. We are proud to offer these 304 stainless steel mid-length LS swap headers for 1978-1988 GM A/G-body vehicles. These headers feature 1-3/4" primary tubes with 2-1/2" collectors (70201303-RHKR), or 1-7/8" primaries with 3" collectors (70201304-RHKR). They are engineered for bolt-in compatibility with all other Hooker Blackheart LS swap components for the 1978-1988 GM A/G-body platform.

Features:

  • Comprehensively designed as part of the Hooker Blackheart 1978-1988 GM G-body LS engine swap system; Designed for use with 12643HKR engine mounting brackets and 12644HKR transmission crossmember
  • Geometrically/functionally compatible with GM TH350, TH400, 700R4, 2004R, 4L60-4L70 and 4L80E/4L85E* transmissions
  • Available with 1-3/4” primary tubes and 2.5” collectors (70201303-RHKR), or 1-7/8” primary tubes and 3” collectors (70201304-RHKR)
  • Long Transition header collectors feature merge spears for maximum flow and increased exhaust velocity
  • Constructed from lightweight, 18-gauge, mandrel bent, 304 stainless steel maximizing strength and durability
  • 3/8” thick, CNC waterjet header flanges are used for strength and maximum sealing surface
  • 100% quality hand-welded construction for strength, longevity and good looks
  • Tube geometry designed for maximum clearance and hassle-free installation
  • All hardware included
  • Manufacturer’s limited lifetime warranty

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!

Bolt SizeM8 x 1.25 x 25mm
Brand Hooker BlackHeart
CARB (California) CompliantNo
Collector Diameter3.00 inch
Emission Code4
EngineGM Gen III/IV (LS)
Header FinishNatural
Header StyleMid Length
Material304 Stainless Steel
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
UPC090127005361
Part Number70201304-RHKR
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

Instructions for Part# 70201304-RHKR
Limited Lifetime Warranty Information for Part # 70201302-RHKR
*Will require some trimming of the bellhousing to install

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    *Free Shipping & 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.