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Hooker BlackHeart

Hooker BlackHeart Transmission Crossmember

1970-1981 2nd-gen F-body LS Swap Transmission Crossmember - for T56 (GM 4th-gen F-body/GTO versions only), T56 Magnum, 4L80E/4L85E*, TH400* and 200R4* Transmission Installations

Part # 12616HKR Be the first to write a review
Estimated shipping date: 01/21/2022
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Holley Days Price
$309.95
Suggested Retail
$345.00
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Designed specifically for T56 (GM 4th-gen F-body/GTO versions only), T56 Magnum, 4L80E/4L85E, TH400 and 200R4 transmission installations

Features:

  • Provides for direct installation of a T56 (GM F-Body/GTO LS versions only) or T56 Magnum transmission
  • Provides for installation of a 4L80E, 4L85E, TH400 or 2004R transmission with the combined use of a Hooker Blackheart 71223013HKR adapter or 12650HKR spacer block
  • Designed specifically for use with Hooker Blackheart 12512HKR and 12613HKR engine mounting brackets
  • CAD modeled design optimizes fitment and strength while minimizing weight
  • Built with powder coated steel construction for attractive, long-lasting durability
  • Designed to provide optimized U-joint working angles and exhaust system ground clearance
  • Bolt-in compatible with all Hooker Blackheart headers, exhaust manifolds and exhaust systems available for this vehicle application
  • Designed for use with Prothane™ 7-1604 (poly) or Anchor Industries 2268 (rubber) transmission mounts

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.

Application1970-1981 GM F-Body
Brand Hooker BlackHeart
ColorBlack
Emission Code5
EngineGM Small Block Gen III/IV (LS Based)
Exhaust SeriesHooker BlackHeart
FinishBlack Powdercoated
MaterialSteel
Motor TypeGM LS
Product TypeCrossmember
SubframeStock
Transmission200R4
4L80E
4L85E
T56 GM
T56 Magnum GM
TH400
Transmission TypeT56 (GM F-Body/GTO LS versions only) or T56 Magnum
Type of ComponentCrossmember
UPC090127684375
Part Number12616HKR
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

This crossmember is designed as an Integral component of the complete Hooker Blackheart LS swap system for this vehicle application. Its unique design geometry is designed for compatibility with Hooker Blackheart 12512HKR and 12613HKR engine mounting brackets only. Due to design variances in the crossmember mounting hole locations on GM 2nd-gen F-body subframes, the mounting holes in this crossmember may not line-up directly with the mounting holes in your subframe. In such cases, the crossmember will need to be mounted using angle brackets included with this crossmember (requires drilling new holes in the subframe). * 4L80E/4L85E transmission installations require the use of a Hooker Blackheart 71223013HKR adapter bracket; TH400 or 2004R installations require the use of a Hooker Blackheart 12650HKR spacer kit. Note: this crossmember is not compatible with Tremec TR6060 transmissions
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