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Hooker BlackHeart

Hooker BlackHeart Long Tube Headers

1979-1993 Mustang LS Swap 304SS 1-7/8 X 3" Long Tube Headers

Part # 70101350-RHKR Be the first to write a review
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Hooker BlackHeart has quickly become the leader in engine swaps and we are excited to announce new products for 79-93 Fox Body Mustangs with GM LS engines. The new 304 stainless steel long-tube headers provide excellent ground clearance as well as component clearance. These headers are designed to work specifically with Hooker BlackHeart Transmission Crossmembers and Engine Mounts for a trouble free install.


  • Constructed from lightweight, 18-gauge, mandrel bent, stainless steel, maximizing strength and durability
  • 1-7/8” primary tubes and long transition 3” collectors with merge spears for maximum flow and increased exhaust velocity
  • 3/8” thick, CNC waterjet header flanges are used for strength and maximum sealing surface
  • Compatible with stock or multiple validated aftermarket engine K-members
  • Compatible with the stock steering shaft/rag joint coupler (stock K-member only) and aftermarket steering shafts
  • Designed to work specifically with Hooker Transmission Crossmembers and Engine Mounts for a trouble free install
  • 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

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker Blackheart is platform-engineered to provide superb performance, aesthetics, and fitment.

Bolt SizeM8 x 1.25 x 25mm
Brand Hooker BlackHeart
CARB (California) CompliantNo
Collector Diameter3.00 inch
Emission Code4
EngineGM Small Block Gen III/IV (LS Based)
Header FinishNatural
Header StyleLong Tube
K-Member CompatibilityAJE (MU40UM)
Maximum Motorsports (MMKM-1)
Stock 1985-1993
Material304 Stainless Steel
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Part Number70101350-RHKR

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

Compatible with Engine Brackets P/N's 71221013HKR, 71221020HKR, 71221021HKR, 71221022HKR, and 71221023HKR. Compatible with Transmission Crossmembers P/N's 71222015HKR and 71222016HKR

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