2 results for headers for 400 big block found in 0.000 seconds

deteriorate blowout or burnout ideal for race street tow vehicles and motor ... homes application chevrolet small block square port small block round port big ... block round port ford small block rectangle port ford small block oval ... coating · better sealing · more forgiving of surface · better removability multi- ... proof seal from cylinder head to engine block withstands shearing forces created from ... /iron aluminum head and cast iron block combinations application chevrolet 283- ... -99 gasket bore 4.540 .040 thickness ford 289-351w 65-95 gasket bore 4.030 .040 ... retains sufficient clamp load ideal for street race tow vehicles motor homes ... application part no chevrolet 265-400 round port 1.50 dia 265-400 square ... port 1.45 w x 1.48 h 265-400 all years 350 lti d-port 92-later 1.50 ...

designed to withstand 600°f specially formulated silicone developed to be compatible ... 5835 5836 5840 5848 chevrolet 55-85 265-400 1/16 thick cork seals 1.25w x 2.00h ... stock port 55-85 265-400 1/16 thick cork seals 1.25w x 2.13h sm ... race port 55-85 265-400 1/16 thick cork seals 1.31w x 2.19h ... med race port 55-85 265-400 1/8 thick cork seals 1.31w x 2.19h med ... race port 55-85 265-400 1/16 thick cork seals 1.31w x 2.31h lg ... use w/manifolds w/o upper bolt holes ford 65-67 289-302 exc factory hp 1/16 ... and rapid expansion and contraction of headers without deteriorating it also allows ... warpage application chevrolet all 265-400 stock most race ports 1.45w x 1.55h ... all 265-400 stock square ports 1.45w x 1.48h all ... 265-400 round port 1.50 diameter all 265-400 ...