This is billet aluminum transmission cooler manifold designed to fit the 6L80E and 6L90E transmissions. It’s clear anodized finish provides a strong and durable that will not tarnish over time like raw aluminum.

The manifold features AN-6 fittings which are perfect for cooler line installation. This manifold compared to others on the market orientates the fittings so they are in line with the transmission which provides more clearance for the exhaust system to run unobstructed, parallel to the transmission. If the vehicle is 4wd it also gives more room for the front driveshaft.

Note - This adaptor is needed to install Apicella Designs long tube LS swap headers when using the 6L series transmissions. It also works very well for most other applications and header installs and saves time and money.