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5 rocker Inlet
When running an externally balanced 383 or 400 SBC with a 153 tooth flexplate
Billet 4 Port Fuel Log
It will drop on your 23° short block as easily as our 227 or 235 SBC product and in fact shares identical valve centerlines and rocker stud locations to both of those heads
-10 Female ORB Threads
Accelerator Pump Discharge Nozzle 0.028" Hole Size Straight Type HO121-128 Auto Meter 5 rocker InletAccelerator Pump Discharge Nozzle 0. 028" Hole Size Straight TypeIncluding 4 Gaskets HO121 128 121 128 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.
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