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#HT2X4BB/HT2X4BBD - TBI KIT: Twin TBI Kit for Big Blocks - Howell EFI Conversion & Wiring Harness Experts
Part #HT2X4BB & #HT2X4BBD For converting any oval port Chev 396-502 engine from carburetor to twin throttle body fuel injection. Two remanufactured TBI