GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops Grassroots performance began with Ford

Grassroots performance began with Ford and has become a part of American culture

Year Make Model Submodel 2013-2018 Nissan Frontier Desert Runner 2005-2010 Nissan Frontier LE 2005-2008 Nissan Frontier Nismo Off-Road 2009-2018 Nissan Frontier PRO-4X 2011-2018 Nissan Frontier S 2005-2010 Nissan Frontier SE 2011-2018 Nissan Frontier SL 2011-2018 Nissan Frontier SV

2005-2006 GMC Sierra 1500 HD Fleetside 78

Year Make Model Submodel 1991-1993 Toyota Previa DX 1995-2004 Toyota Tacoma Base 1998 Toyota Tacoma DLX 2001 Toyota Tacoma Pre Runner

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

GFB HYBRID TMS Dual Port 98-04 Subaru Forester XT Tank Tops Grassroots performance began with FordALL 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