-360 stock port 1.30w x 1.64h 59-78 361-440 stock port 1.78w x 1.48h ford 62-86 260 ... nitrile rubber fiber based material for excellent sealing durability precision ... cut for each application includes rail seals ... heat riser blockoff plates where applicable 1/16 thick ... rubber seals including steel heat riser block-off plates 1.31w x 2.10h 57-68 283 fi 327 ... 1.75w x 2.50h edp heads chrysler/dodge/plymouth 64-89 273 340 360 4 bbl heads ... 07h 58-78 350 361 383 400 413 426 wedge 440 stock port 1.21w x 2.26h ford 62-76 221 ... and greater thickness recovery for best results glue gaskets to the valve ... 0/5.7l centerbolt valve covers chrysler/dodge/plymouth 64-89 273-360 3/16 thick 58- ... 78 350-440 exc hemi 6-bolt 1/8 thick ford/mercury 62-95 221-351w exc boss 3/16 ...
designed to withstand 600°f specially formulated silicone developed to be compatible ... use w/manifolds w/o upper bolt holes ford 65-67 289-302 exc factory hp 1/16 ... 302 v8 efi 70-74 351c-v8 4 bbl chrysler/dodge/plymouth 68 89 340-360 1/16 thick 4bbl ... extra large square port 2.09 x 2.09 ford/mercury all 302 oval port 62-90 221- ... 07-up 5.4l dohc round port chrysler/dodge/plymouth 67-74 273-318 stock port 1.34w ... -360 stock port 1.30w x 1.64h 59-78 383-440 stock port 1.78w x 1.48h oldsmobile 64- ... rubber material combination compensates for surface irregularities and resists high ... temperature incorporates steel carrier for stability and proper gasket alignment ... v8 283-400 1958-86 v8 396-454 1965-90 ford 289-351w 1965-95 part no 5853g 5854g ... rubber provides a positive sealing force created by controlled swell of the ...