These are 8ea fuel injection stacks and filters. Stacks are steel and have a reducer inside down to 2.2'. OD is 2 1/2" and height is 9". Lids are nice! These might fit the Engler and Enderle also.
CHEVY INLINE 6 250 292 FUEL INJECTION HILBORN EELCO HALEY RACE CAR HALIBRAND 60s
Fuel Injection Stacks 3.1" OD 2.80 ID Engler Hilborn NHRA Sprint USAC WO Kinsler
Fuel Injection Stacks 2.150" OD 7 1/4" Long FAKE Hilborn NHRA Sprint USAC WOO
Fuel Injection Stacks 2 1/4" OD 7.1" Long Hilborn IMCA NHRA Sprint USAC K&N IHRA
Fuel Injection Stacks 2.720" OD 2.600 ID 5 1/2" Long Hilborn NHRA Sprint USAC WO
Fuel Injection Stacks 2 3/4" OD 2 5/8 ID 6" Long Hilborn NHRA Sprint USAC