350 sbc, 4.166" bore (.039"), suitable for aluminum heads
sbc, stock/small race port , square
sbc, large race port, square
SBC, 1.34" Wide X 2.21" Tall Port, .060" Thick, Medium Race Ports
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
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
sbc, 4-pc, design cork lh dip
bbc, 4-pc gasket w/rubber core
sbc, 1980-85 4-pc design, rh dip
sbc, 4-pc design cork, lh dip, trimmed for stroker
sbc, 1- pc gasket w/stell core, rh dip
sbc, 1- pc gasket w /steel core, rh dip, 1- pc rm
bbc, 4- pc rubber gasket w/steel core
SBF 289/302, 1-pc Rubber Gasket w/ Steel Core
SBF 302, 1-pc Rubber gasket
sbc, 2- pc rms, large outside dia.
bbc, 2- pc rms, high vacuum
sbc, 1- pc rms, fluoroelastomer
sbc, 2-pc rms, silicone
SBF 289/302, 2-pc RMS, High Vacuum