GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops 1999-2006 GMC Sierra 1500 Fleetside

1999-2006 GMC Sierra 1500 Fleetside

The COMP Cams Bushed Shaft Rocker System for GM LS delivers high-level valve train stability

3000203 is a performance street disc and the most popular disc purchased

for very good reason

2005-2006 GMC Sierra 1500 HD Fleetside 78

GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops 1999-2006 GMC Sierra 1500 FleetsideALL THE PERFORMANCE WITH THE NOISE! The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By "staging" the two venting outlets, at low valve lifts most of the air is recirculated. As the car is driven harder, the valve opens further and more of the atmosphere venting port is exposed for a louder sound. As a benefit, this system