THESE ARE BRAND NEW NOT BRITTLE USED ONES
PERFORMANCE FUEL INJECTION SYSTEMS 
PHONE 517 975 4770 WITH QUESTIONS
BRAND NEW CHIP HOLDER NOT USED
This listing is for 1 of the GM 24 pin prom chip holder that used the 2732, 2732A, 2732B prom type.  This listing doesn't include any proms. LOOK AT OTHER LISTINGS FOR STOCK CHIPS IN THE CHIP HOLDER

This fits the following OEM Ecm's: 

1227747,1228062,1226459,1226869, 1226870, 1227137, 1227148, 1227170

1227302, 1227746, 1228063, 1228746, 1228747, 1228934, 16136965, 16144288

16146299, 16156480 

FREE SHIPPING