Brand new factory Toyota cam seals for the AE86 and other cars equipped with a 4AGE.
-20V fits Blacktop and Silvertop
-16V seals are the same for both cams
-20V exhaust seal is the same as 16V seal.
-Cheap insurance for a leak free rebuild

Install with a pea-sized amount of Permatex Grey around outside of seal, and the same amount of synthetic grease wiped around inside edge for best results.