Still in good condition. Holes to bolt on to head have been elongated for machined heads.
Hilborn Fuel Injection Pill / Jet 86 .086
AJ FOYT 1992 Auction Original Hilborn Fuel Injection Stacks Sprint USAC Indy 500
Nish Racing HILBORN Fuel Injection Manifold Ram Tube Adapter 2-1/4" 2-3/16" Ak
Hilborn Fuel Injection Pill / Jet 94 .094
Hilborn Stack Injection Vintage Small Block Chevy SBC NHRA Drag Race
Fuel Injection Stacks 3.1" OD 2.80 ID Engler Hilborn NHRA Sprint USAC WO Kinsler
