Hooker BlackHeart Transmission Crossmember - Black - GM LS-Series - 4L60E/4L65/4L70/4L80/TH400/T56/T56 Magnum - GM A-Body/G-Body 1978-88 DX2105K COMP Cams spends thousands of

COMP Cams spends thousands of hours working with race teams to make sure COMP Cams products provide unmatched performance and reliability

with headers and 2000+ stall

Cylinder Head Specifications

Universal Shift Knob

Hooker BlackHeart Transmission Crossmember - Black - GM LS-Series - 4L60E/4L65/4L70/4L80/TH400/T56/T56 Magnum - GM A-Body/G-Body 1978-88 DX2105K COMP Cams spends thousands ofThis part is fully interchangeable with part number 12644HKR. Integral component of the complete Hooker BlackHeart swap system for this application. Component features unique geometry that is not compatible for use with any other brand of engine mounting components. 4L60 4L65 4L70 transmissions require add on bracket P N 12655HKR. 4L80 transmission require add on bracket P N 12656HKR For applications that were NOT originally equipped with a 200 4R