When it comes to sealing solutions for vehicle engine repair, leak repair or system specific repair, Fel-Pro® is the industry’s leading brand of premium replacement gaskets and seals for car and light and medium-duty truck applications. Fel-Pro is also known for specialty sealing products for performance, sport and marine engines. This listing is for a Fel-Pro full engine gasket set for 1986 GM passenger cars with 4-barrel carburetor and 1985-86 Chevrolet and GMC LD trucks with 1-piece rear seal using the 305ci/5.0L V-8 engine. P/N 260-1243.