this silicone bead increases the seal pressure producing a superior port seal required ... use w/manifolds w/o upper bolt holes ford 65-67 289-302 exc factory hp 1/16 ... extra large square port 2.09 x 2.09 ford/mercury all 302 oval port 62-90 221- ... v8 283-400 1958-86 v8 396-454 1965-90 ford 289-351w 1965-95 part no 5853g 5854g ... the gasket when exposed to hot engine oil once swelling is achieved at a higher ... flexibility allowing excessive flange pressures without distortion polymers in ultra-20 ... -78 350-440 exc hemi 6-bolt 1/8 thick ford 62-90 221-351w exc boss 3/16 thick ... ultra-seal oil pan gaskets constructed from maxi-seal ... application part no chevrolet 1957-1974 265 283 302 307 327 350 400 1975-1979 ... block 1 piece gasket 1997-2004 ls1/ls6 ford 1963-1996 ford small block 1963-1996 ...
on hand application chevrolet 265-350 1957-79 chevrolet 350 1980-85 chevrolet 350 ... 350 1987-91 chevrolet 396-454 1965-79 ford 221-302 1962-82 ford 302 1983-91 ford ... 351w 1975-82 ford 351w 1983-91 ultra-seal iii intake ... excellent sealing properties for oil fuels and coolant at low flange ... pressure clamp force along with high crush ... port chevrolet 454 1991-96 oval port ford 260-302 1962-76 stock port ford 302 ... 1977-85 stock port ford 302 efi 1986-95 stock port ford 351w ... 1975-97 stock port ford 429 460 1968 stock port part no 4665g ... this gasket material is resistant to oil gasoline and water ideal for use on ... material used where extreme heat and pressure sealing are required like exhaust ...