Hooker
LS Or Lt Swap Crossmember Add-On Bracket G-Body For 4L60, 4L60E Transmissions In 1978-1988 GM A, G-Body With LS Or Lt Swap Hooker BlackHeart
SKU: H00I 12655HKR
Description
Part #: 12655HKR
1978-1988 GM A/G-Body LS-Swap Crossmember Add-on Bracket for 4L60/65/70/75 Transmission VariationsMUST be used in addition to Hooker Blackheart Transmission Crossmember - 12644HKR-1Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearanceAttractive Semi-gloss black powder coat finishBolt-on installationSold IndividuallyDetails:Color: BlackEmission Code: 5Engine: GM Gen III/IV (LS)Finish: Black PowdercoatedMaterial: SteelMotor Type: GM LS, GM LTProduct Type: Transmission MountTransmission: 4L60E, 4L65E, 4L70E, 4L75EType of Component: AdapterWarning: California Proposition 65
Features:
- Designed using CAD modeling/FEA analysis for optimal fitment, strength, weight, safety and appearance
- Crossmember Bracket
Transmission Crossmember | For Use w/1978-88 GM A/G-Body w/LS Swap and w/4L60 Transmission
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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 12655HKR |
Buy with Confidence
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 Policy