Swap Block Mock Up Cummins 5.9 6BT Engine Block GF-EJ-CUMMINS-6BT sun-visors 2L V8 1975 - 1979

2L V8 1975 - 1979 Jeep CJ5 Base 304/5

electronic transmission control

(2) Bolts and interchanges with OE parts 91175657

Fits 15-20 Ford F150

4 V8 1968 - 1969 Cadillac Eldorado 472/7

Swap Block Mock Up Cummins 5.9 6BT Engine Block GF-EJ-CUMMINS-6BT sun-visors 2L V8 1975 - 1979Engine: Cummins 12V 6BT 5. 9L Years: 1989 1998 Our patent pending tab and slot version of the mock up block provides accurate mounting positions of engine accessories and bolt ons. Weighs only 33 lbs This unique design is lightweight and comes disassembled for ease of shipping and storage. Precision formed returns on all weight bearing components and tight tolerance slots create a rigid and accurate representation of the Cummins 12V 6BT 5. 9L engine