XRP Turbo Oil Feed and Return Kit This is a GN1Performance "Turbo Oil Feed & Return kit" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. All made for GN1 exclusively by XRP! The kit includes everything you see in the pictures. One custom... MSRP: Was: Now: $325.00 Add to Cart