Mr. Gasket Thermostat Housing , Water Outlet Gasket - Rubber - Buick , Chevy , Oldsmobile - BB , SB , V8 21411310 75" Tall These pumps do

75" Tall These pumps do not have an internal bypass

Long Block

This improves traction and increases overall consistency

Chevrolet: El Camino 66 - 70 6

Mr. Gasket Thermostat Housing , Water Outlet Gasket - Rubber - Buick , Chevy , Oldsmobile - BB , SB , V8 21411310 75" Tall These pumps doThis gasket is composed of an aluminum carrier with a molded silicone bead to ensure a secure seal. Seals surface irregularities between manifold and water outlet housing. Compatible with all intake manifold materials. Fits Chevy 265 400ci 1955 88. Vehicle Applications: 1971 1977 GMC Sprint 1979 1985 GMC C2500 1975 1978 GMC G15 1955 1957 Chevrolet One Fifty Series 1967 1974 GMC G25 G2500 Van 1958 1958 Chevrolet Del Ray 1963 1968 Chevrolet Chevy II