BBK Phenolic Intake Manifold Spacer - 3/8" Gauges & Data Acquisition 2-1/2 in ID Springs

2-1/2 in ID Springs

matching Nomex cuffs

Exact replacement for original Air Lift air spring

the ST5 Kart is homologated to the Snell K 2020 standard

50-inch bolt circle using a C4 automatic transmission

BBK Phenolic Intake Manifold Spacer - 3/8" Gauges & Data Acquisition 2-1/2 in ID SpringsBBK 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