Holley Inverted Flare Fitting Adaptor Nut HO26-28 Product:1/4":; Thread 7/8-20 (A) x 7/16-24 (B) Revised cooling system passageways Siamese

Revised cooling system passageways Siamese bore Increased bulkhead material Threaded core and galley plugs (straight thread port plugs with O-ring) Requires special length 1/2" head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306/307/Z304DA heads Designed for M-6049-X306//X307/C3/D3/Z304DA cylinder heads

Modeled after the popular muscle car Tilt Key Columns

FLO12512304

The Edelbrock #8723 spacer is 1/2" thick and made of wood fiber laminate

A new ECU bracket comes in this kit to allow you to bolt the factory computer to the factory location with these aftermarket rails

Holley Inverted Flare Fitting Adaptor Nut HO26-28 Product:1/4":; Thread 7/8-20 (A) x 7/16-24 (B) Revised cooling system passageways SiameseHolley Inverted Flare Fitting Adaptor Nut1 4":; Thread 7 8 20 (A) x 7 16 24 (B) HO26 28 26 28 Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality.