aFe Differential Cover Oil Level Sight Glass (46-00001) 1663 Includes ARP rod bolts for

Includes ARP rod bolts for secure clamping force and reliability

Includes high performance 200-cell HJS Sport Catalytic Converters for improved flow and exhaust sound (complies with most emissions regulations

it's hard to find a more powerful

All of the end caps are made with an ultra high-strength nylon composite formula

Professional installation by an experienced technician familiar with carbon fiber components is recommended

aFe Differential Cover Oil Level Sight Glass (46-00001) 1663 Includes ARP rod bolts forRear Differential Cover Oil Level Sight Glass (46 00001) by aFe. aFe 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. Don't be caught with low oil on your differential, or your up for a costly repair! aFe Power has got you