Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exterior Components› Body Panels and Components
Hooker
Crossmember Adapter Bracket Compatible With 4L60E, 4L70E Transmissions Hooker BlackHeart
SKU: H00I 71223003HKR
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: 71223003HKR
Optional Hooker BlackHeart Transmission adapter brackets are designed to accomodate installation of various GM/Tremec Transmissions using Hooker Blackheart transmission crossmembers for specific vehicles.CAD designed for direct compatibility with various Hooker BlackHeart transmission crossmembersProvides for installation of 4L60-4L70 transmission when used with compatible Hooker BlackHeart transmission crossmembersAttractive Semi-gloss black powder coat finishBolt-on installationDetails:Application: 79-95 Mustang LS SwapColor: BlackEmission Code: 6Exhaust Series: Hooker BlackHeartFinish: Black PowdercoatedMaterial: SteelMotor Type: GM LSProduct Type: Transmission MountTransmission: 4L60E, 4L65E, 4L70ETransmission Type: 4L60-4L70Type of Component: Crossmember AdapterWarning: California Proposition 65
Features:
- CAD designed for direct compatibility with various Hooker BlackHeart transmission crossmembers
- CAD Designed
- Provides for installation of 4L60-4L70 transmission when used with compatible Hooker BlackHeart transmission crossmembers
- Attractive Semi-Gloss Black Powder Coat Finish
- Attractive Semi-gloss black powder coat finish
- Bolt-On Installation
- Bolt-on installation
Transmission Crossmember Adapter - Blackheart - Bolt-On - Steel - Black Powder Coat - GM LS-Series - 4L60 / 4L65E / 4L70E - Each
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Hooker |
| Part Number | H00I 71223003HKR |
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy