TRANSMISSION CROSSMEMBER,78-88 G-BODY,LS SWAP

BRAND NEW HOOKER BLACKHEART TRA�NSMISSION CROSSMEMBER, BLACK FINISH, COMPATIBLE WITH 4L60, 4L65, 4L70, 4L80, TH400, 2004R, T56, T56 MAGNUM TRA�NSMISSIONS

THIS CROSSMEMBER IS ONE PART OF THE HOOKER BLACKHEART LS SWAP SYSTEM FOR THE 1978-1988 GM A/G-BODY FOR AN EASY BOLT-IN ENGINE SWAP. THE MODULAR DESIGN OF THIS CROSSMEMBER SUPPORTS THE FOLLOWING TRA�NSMISSIONS: 4L60//4L65/4L70/4L80/TH400/2004R/T56/T56 MAGNUM TRA�NSMISSIONS (SOME TRA�NSMISSIONS REQUIRE AN OPTIONAL TRA�NSMISSION ADAPTER - SOLD SEPARATELY).

NOTE: REVISED DESIGN - INTERCHANGEABLE WITH PART #12644HKR.

NOTE: NOT COMPATIBLE WITH TREMEC TR6060 TRA�NSMISSIONS.

NOTE: TH350 TRA�NSMISSIONS CAN REUSE THE FACTORY TRA�NSMISSION CROSSMEMBER, BUT THE SLOTS IN THE CENTER OF THE CROSSMEMBER WILL NEED TO BE ELONGATED IN THE FORWARD DIRECTION

NOTE: INTEGRAL COMPONENT OF HOOKER BLACKHEART SWAP SYSTEM FOR THIS APPLICATION. COMPONENT FEATURES UNIQUE GEOMETRY NOT COMPATIBLE FOR USE WITH ANY OTHER BRAND OF ENGINE MOUNTING COMPONENTS. 4L60/4L65/4L70 APPLICATIONS REQUIRE ADD ON BRACKET PART #12655HKR. 4L80 APPLICATIONS REQUIRE ADD-ON BRACKET PART #12656HKR. FOR APPLICATIONS NOT ORIGINALLY EQUIPPED WITH 200-4R TRA�NSMISSION, CROSSMEMBER ADAPTER PART #12647HKR IS REQUIRED. CROSSMEMBER FITMENT HAS NOT BEEN VALIDATED FOR EI CAMINO APPLICATIONS.

FEATURES:

• THE LS SWAP CROSSMEMBER FOR THE GM G-BODY HAS SOME VERY MINOR DESIGN UPDATES & HAS BEEN SUPERSEDED FROM 12644HKR TO PART NUMBER 12644HKR-1
• FACILITATES INSTALL OF 4L60/4L65/4L70/4L80/TH400/2004R/T56/T56 BEHIND AN LS ENGINE IN 78-88 GM A/G BODY APPLICATIONS (MAY REQUIRE ADD-ON BRACKET, SEE INSTALL NOTES)
• DESIGNED USING CAD MODELING/FEA ANALYSIS FOR OPTIMAL FITMENT, STRENGTH, WEIGHT, SAFETY & APPEARANCE
• WELDED STEEL CONSTRUCTION
• PROVIDES AN OPTIMIZED ENGINE/TRA�NSMISSION INCLINATION ANGLE THAT IS CRITICAL TO OBTAINING SUITABLE U-JOINT WORKING ANGLES, WHEN INSTALLED WITH HOOKER 12643HKR ENGINE MOUNTS
• DESIGNED IN CONJUNCTION WITH OTHER HOOKER BLACKHEART GM A/G-BODY ENGINE SWAP BRACKETS TO PROVIDE BOLT-IN INSTALLATION OF HOOKER LS SWAP MANIFOLDS, HEADERS & EXHAUST SYSTEMS FOR THIS APPLICATION
• PROVIDES THE HIGHEST CLEARANCE AVAILABLE FOR UP TO 3" DUAL EXHAUST SYSTEM ROUTING

SPECS:

• BRAND: HOOKER BLACKHEART
• COLOR/FINISH: BLACK POWDER-COATED
• MATERIAL: STEEL
• MOTOR TYPE: GM LS
• PRODUCT TYPE: CROSSMEMBER
• TRA�NSMISSION: 200R4 | 4L60E | 4L65E | 4L70E | 4L75E | 4L80E | 4L85E | T56 GM | T56 MAGNUM GM | TH400
• TYPE OF COMPONENT: CROSSMEMBER

YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS TRANSMISSION CROSSMEMBER HERE.

YOU CAN VIEW AND DOWNLOAD THE LS SWAP SELECTION GUIDE FOR THIS TRANSMISSION CROSSMEMBER HERE.

YOU CAN VIEW AND DOWNLOAD THE LS SWAP TECH DATA FOR THIS TRANSMISSION CROSSMEMBER HERE.