SKU: HLY-300-popoff
Holley Pop-Off Blower Accessory - Alkydigger Pop Off Kit for Chevy LS Holley

Holley Hi Ram Pop Off Kit   

Blower Manifold Pop-Off Kit for Holley High Ram Manifolds for LS Chevy

2.5" Center to Center

Billet- Polished 

Springs and Hardware

Drill and tap -  no welding needed

Place the base in the triangular Area  at front or rear of Manifold 

Mark the area for the two bolts that go into the manifold-  The Longer  of the two  3/8" Bolts  

Either Drill and tap two holes and thread them in   or Drill all the way through and  USE LOCK Nuts  

w loctite to ensure they do not fall off 

Adjust the pop off to the instructions  

   Alkydigger Fuel Injection-Superchargers-Ignitions: Pop-Off Valve adjustment for TBS and Other Backfire Valves   click here