Page 3 of Gaskets 2008 by Parts Pro
ultra-seal gaskets mr gasket revolutionized the performance market with high quality performance gaskets decades ago and they continue to develop new products to meet the increasing sealing demands of performance enthusiasts our commitment to new technologies such as mls multi-layer-steel gaskets assure you that ultra-seal gaskets will always be there to meet your needs ultra-seal intake gaskets silicone beaded gaskets begin with non-wicking nitrile rubber fiber material designed to withstand 600°f specially formulated silicone developed to be compatible with gas alcohol racing fuel precisely located around each port the location of this silicone bead increases the seal pressure producing a superior port seal required in a performance street racing engine application part no 5820 5821 5822 5812 5823 5851 5827 5828 5819 5831 5834 5832 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 race port 86-91 350 v8 w/tpi all 396-454 1/16 thick cork seals 1.85w x 2.16h oval port all 396-454 1/16 thick cork seals 1.85w x 2.16h rect port all 396-454 same as #5828 use w/manifolds w/o upper bolt holes ford 65-67 289-302 exc factory hp 1/16 thick 1.20w x 2.13h 77-83 302 exc boss 1/16 thick 1.25w x 2.11h 69-74 351w 1/16 thick 1.25w x 2.11h 86-95 302 v8 efi 70-74 351c-v8 4 bbl chrysler/dodge/plymouth 68 89 340-360 1/16 thick 4bbl heads 1.17w x 2.27h pontiac 65-79 326-455 1/16 thick 1.18w x 2.20h ultra-seal exhaust gaskets the lubricating quality of graphite enables the gasket to withstand intense heat and rapid expansion and contraction of headers without deteriorating it also allows easy removal due to the anti-stick properties of graphite in addition the ultra-seal material will conform to some header 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 round port 1.63 diameter 97-04 346 5.7l ls1/ls6 round port 1.75 diameter all 265-400 lt-1 d-shaped port 1.50 x 1.60 all 265-400 brodix d-shaped port 1.55w x 1.71h all 265-400 hooker stahl combination adapter plate round port 1.93 diameter all 265-400 hooker combination reversion plate or stock port 1.61w x 1.85h all 265-400 brodix spread port alum heads 1.65w x 1.60h all 265-400 late blackjack cyclone oval port heads 1.50w x 1.82h all 396-502 stock square port 1.85w x 1.90h all 396-502 round port 1.92 diameter all 396-502 round port 2.15 diameter all 396-502 round port 2.43 diameter all 396-502 extra large square port 2.09 x 2.09 ford/mercury all 302 oval port 62-90 221-351w stock port 1.12w x 1.48h 70-82 351c 2 bbl 351m 400 oval port 1.58w x 1.96h 70-74 351c-v8 68-88 429-460 oval port 1.25w x 2.08h 91-04 281 4.6l sohc round port 1.63 diameter 93-04 281 4.6l dohc oval port 1.21 x 2.16 05-up 281 4.6l dohc d-shaped port 1.81 x 1.72 05-07 4.6l sohc d-shaped port 07-up 5.4l dohc round port chrysler/dodge/plymouth 67-74 273-318 stock port 1.34w x 1.82h 68-89 340-360 stock port 1.30w x 1.64h 59-78 383-440 stock port 1.78w x 1.48h oldsmobile 64-76 330-455 all pontiac 65-79 326-455 all d port inc ram air iii 1.55w x 2.00h part no 5901 5900 5907 5902 5964 5965 5903 5904 5908 5906 5917 5910 5911 5912 5914 5913 5928 5930 5951 5932 5954 5927 7556 7558 7559 7560 5938 5935 5936 5945 5921 molded rubber valve cover gaskets made from silicone bead and rubber material combination compensates for surface irregularities and resists high temperature incorporates steel carrier for stability and proper gasket alignment torque limiters to prevent overtorque of fasteners and gasket splitting application chevrolet v8 283-400 1958-86 v8 396-454 1965-90 ford 289-351w 1965-95 part no 5853g 5854g 5859g ultra-seal valve cover gaskets made from a special ultra-20 blend of cork particles dupont s hypalon synthetic rubber provides a positive sealing force created by controlled swell of the gasket when exposed to hot engine oil once swelling is achieved at a higher temperature that thickness will not decrease with lower engine temperatures designed with very high tensile strength excellent flexibility allowing excessive flange pressures without distortion polymers in ultra-20 are specifically chosen to eliminate heat hardening even under the most severe racing applications the mounting surface is coated with a black anti-stick material for easy release application chevrolet 55-86 265-400 3/16 thick 55-86 265-400 5/16 extra thick 65-88 396-502 3/16 thick w/locating tabs 65-88 396-502 5/16 extra thick w/locating tabs chrysler/dodge/plymouth 64-89 273-360 3/16 thick w/locating tabs 58-78 350-440 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 fiber material which has excellent tensile strength superior blowout resistance reduces gasket splitting crushing due to over-torquing of pan bolts the maxi-seal material is coated with special graphite anti-stick non-wicking rubber coating for easy removal extra sealing protection application part no chevrolet 1957-1974 265 283 302 307 327 350 400 1975-1979 262 267 305 350 400 1980-1985 267 305 350 1965-1988 396 427 454 502 1986-1996 chevy small block 1 piece gasket 1975-1985 chevy small block 1 piece gasket 1965-1990 chevy big block 1 piece molded rubber gasket 1991-1998 chevy big block 1 piece gasket 1997-2004 ls1/ls6 ford 1963-1996 ford small block 1963-1996 ford small block 1 piece gasket ford 351w 5880 5881 5882 5883 6561 6560 6663g 6664g 6665g 5890 6683 5891 part no 5860 5861 5862 5863 5876 5877 5870 some parts are not legal for sale or use in california on any pollution controlled motor vehicle 151
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