GFB Diverter Valve DV+ 13-18 Renault Clio IV RS Throttle Bodies Manley Small Block Chevy 4

Manley Small Block Chevy 4 Barrel Class 4

0mm Oversized Bore 8

140) Race Flo Intake Valve (Set of 8)

Year Make Model Submodel 2000-2004 Ford Focus LX 2007 Ford Focus S 2000-2004

Torque Solution Universal 14mm Spark Plug Gap Tool w/ Feeler Gauge

GFB Diverter Valve DV+ 13-18 Renault Clio IV RS Throttle Bodies Manley Small Block Chevy 4The factory BPV (bypass valve) has a couple of key shortcomings in construction and operation. First of all, tuned engines running high boost also produce a lot of heat in the charge air. Because the BPV is situated right on the compressor, it is subjected to the hottest part of the intake charge, and the heat from the compressor cover itself. This can cause the factory diaphragm to rupture, and if that happens and goes undetected for a while, it can