Richmond Ring & Pinion Set - 4.44 Ratio, 35-10 Teeth, Ford 9" Head and Neck Support Rack and internal/external adjustable bypass

and internal/external adjustable bypass

This header fits the popular 2004-08 Ford F-150 V8-5

780 in Rectangular Port

Moderate/Aggressive Sound

Richmond Ring & Pinion Set - 4.44 Ratio, 35-10 Teeth, Ford 9" Head and Neck Support Rack and internal/external adjustable bypassRICHMOND is the leading manufacturer of professional quality, hi performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry! Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more.