BBK Phenolic Manifold Spacer Kit - 3/8" Thick 931116 GM LS-Series 1997-2003

GM LS-Series 1997-2003

and quieter

EachPit Stop USA offers G-Force Fitted Hood - 1 Layer

Exhaust Valve

BBK Phenolic Manifold Spacer Kit - 3/8" Thick 931116 GM LS-Series 1997-2003BBK Performance phenolic intake manifold spacer kits have proven to be a great way to increase performance for late model Ford EFI owners. Each Phenolic spacer is CNC Machined from 3 8 inch phenolic material, these manifold spacer kits increase power by reducing the transfer of heat from the lower manifold to upper air intake manifold. This produces lower air intake temperatures which results in added horsepower and the ability to add more timing