This is a Used set of (8) 3" Length Fuel Injector Stack Extenders. They are 2 1/2" OD, 2 7/16" ID and 3" long.
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 3/4" OD 2 5/8 ID 6" Long Hilborn NHRA Sprint USAC
Fuel Injection Stacks 2 1/2" OD 2.43 ID 4" Long Hilborn NHRA Sprint USAC WOO
Fuel Injection Stacks 2 1/2" OD 2.43 ID 10" Long Hilborn NHRA Sprint USAC WOO
