Page 146 of Mr.Gasket Performance Gaskets & Accessories by Prestolite Performance

gaskets exhaust gasket specifications and modified port applications chevrolet big block v-8 performance exhaust gaskets engine cid 396-502 396-454 396-454 396-454 engine liters 6.5-8.2 6.5-7.4 6.5-7.4 6.5-7.4 cyl 8 8 8 8 years 1965-99 1965-90 1965-90 1965-90 description square port stock cast iron heads gen iv v vi most brodix dart world products heads round port cast iron/aluminum round port large race square port large race port dimensions 1.85w x 1.90h 1.92 dia 2.15 dia 2.09w x 2.09h perf no 153 152 152a 154 ultra-seal exhaust gaskets engine cid 396-502 396-454 396-454 396-454 engine liters 6.5-8.2 6.5-7.4 6.5-7.4 6.5-7.4 cyl 8 8 8 8 years 1965-99 1965-90 1965-90 1965-90 description square port stock cast iron heads gen iv v vi most brodix dart world products heads round port cast iron/aluminum round port large race square port large race round port chevrolet pontiac oldsmobile 4.840 bore center w/bb chev bolt pattern round port chevrolet oldsmobile 4.900 bore center round port gm 5.00 bore center w/bb chev bolt pattern port dimensions 1.85w x 1.90h 1.92 dia 2.15 dia 2.09w x 2.09h ultra seal 5910 5911 5912 5913 396-454 500 500-700 6.5-7.4 8.2 8.2-11.5 8 8 8 n.a n.a n.a 2.40 dia 2.40 dia 2.40 dia 5914 5948 5947 copperseal exhaust gaskets engine cid 396-502 396-454 engine liters 6.5-8.2 6.5-7.4 cyl 8 8 years 1965-99 1965-90 description square port stock cast iron heads gen iv v vi most brodix dart world products heads round port cast iron/aluminum port dimensions 1.85w x 1.90h 1.92 dia copper seal 7158 7157 embossed aluminum exhaust gaskets engine cid 396-502 396-454 engine liters 6.5-8.2 6.5-7.4 cyl 8 8 years 1965-99 1965-90 description square port stock cast iron heads gen iv v vi most brodix dart world products heads round port cast iron/aluminum port dimensions 1.85w x 1.90h 1.92 dia embossed aluminum 7158a 7157a aluminum multi-layered exhaust gaskets engine cid 396-454 engine liters 6.5-7.4 cyl 8 years 1965-90 description round port cast iron/aluminum port dimensions 1.92 dia aluminum layered 7407g 144

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