aFe POWER Differential Cover Oil Level Sight Glass 1990-gmc-p3500-base-esi2111894 Billet Speed Pump Controller (P/N

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

Each system is built from premium austenitic T-304 stainless steel

System contains a Merge X-Pipe for increased power while adding a great sound

rated up to 40 amps

aFe POWER Differential Cover Oil Level Sight Glass 1990-gmc-p3500-base-esi2111894 Billet Speed Pump Controller (P/NaFe 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