aFe POWER Differential Cover Oil Level Sight Glass 1990-gmc-p3500-base-esi2111894 4L G4FA Main Bearing Set

4L G4FA Main Bearing Set - Standard

5" diameter into dual 2" Borla(r) Cat-Back(tm) system is tuned for performance and sound for the 2

F-450 6' 8" Box

and that effort transfers to the Borla(r) street systems

Billet Speed Pump Controller (P/N 16306) recommended for EFI street applications

aFe POWER Differential Cover Oil Level Sight Glass 1990-gmc-p3500-base-esi2111894 4L G4FA Main Bearing SetaFe Power differential covers come with the option to run a oil level sight glass to visually see how much oil your differential cover has at all times. Factory and most aftermarket differential covers do not allow for this option which leaves you guessing on your fluid level. Dont be caught with low oil on your differential, or your up for a costly repair! aFe Power has got you covered! This is a great upgrade for all aFe Power Raw or Street Series