SBC, 1.28" Wide X 2.09" Tall Port, .060" Thick, Small Race Port
sbc, 1-pc gasket w/steel core, lh dip
sbc, 2-pc rms, high vacuum
sbc, cork-lam 5/16" thick w/steel core
bbc, fel-coprene rubber 5/32" thick
sbc, molded rubber 1/4" thick w/steel core
350 sbc, 4.190" bore (.041")
bbc, 4.540" bore (.039") steel wire
bbc, 4.370" bore (.039") copper wire, for aluminum heads
bbc, 4.370" bore (.039") steel wire
400 sbc, 4.200" bore (.051") steel wire
350 sbc, 4.080" bore (.039") steel wire
350/400 sbc,4.200" bore (.040") multi layer
350 sbc, 4.166" bore (.041")
350 sbc, 4.166" bore (.039"), suitable for aluminum heads
sbc, stock/small race port , square
sbc, large race port, square
SBC, 1.38" Wide X 2.28" Tall Port, .060" Thick, Large Race Ports
BBC, 1.82" Wide X 2.05" Tall Port, .060" Thick, Conventional Ports
SBF 289/351W, 1.20" Wide X 2.00" Tall Port, .060" Thick, Small Race Ports
BBC, 1.25" Wide X 2.36" Tall Port, .060" Thick, Conventional Ports
For SBC w/ Rectangular Port (1.31 X 2.21); 0.065" Thick
SBC Vortec, 1.08" Wide X 2.11" Tall Port, .120" Thick, Vortec Head
SBC, 1.31" Wide X 2.21" Tall Port, .120" Thick, Medium Race Ports