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55 Karma

Review on High Velocity Heads ST4150 4AL Carburetor by Daniel Paige

Revainrating 5 out of 5

New & Improved Design

This gasket added a stronger vacuum signal to my dueling Holley 750cfm 4150 feeder You may need to enrich the fuel mixture like me, more air = more fuel. Modified Ford 390FE. Hopefully this one doesn't melt like the old plastic product I bought. Now the HVH website says the plastic model is for drag racing only and I will not get my money back.

Pros
  • Packing Weight: 1.98 lbs
Cons
  • Quick Start Guide