4.080" + .005" Bore Size, File Fit (1.5mm, 1.5mm, 3.0mm)
3.766" +.005" Bore Size, File Fit (1.0mm, 1.0mm, 2.0mm)
3.776" + .005" Bore Size, File Fit (1.0mm, 1.0mm, 2.0mm)
3.786" + .005" Bore Size, File Fit (1.0mm, 1.0mm, 2.0mm)
3.796" + .005" Bore Size, File Fit (1.0mm, 1.0mm, 2.0mm)
4.080" Bore Size, Drop In (1/16", 1/16", 3/16")
4.030" + .005" Bore Size, File Fit (1.5mm, 1.5mm, 3.0mm)
For GM SBC; 3/4" Bolt On/Press In Inlet; 25% Higher Volume; Billet Steel Shark Tooth Gears
For GM SBC; 5/8" Press In Inlet; 25% Higher Volume; Billet Steel Shark Tooth Gears
For GM SBC; 3/4" Press In Inlet; 25% Higher Volume; Billet Steel Shark Tooth Gears
For GM SBC; 5/8" Press In Inlet; 25% Higher Volume
SBC; 5/8" Inlet
'80-'85 blocks--2 pc RMS
'86 & newer blocks - 1 pc RMS
Pre-'80 block - 2pc RMS
'80-'85 blocks - 2 pc RMS
'86 & newer blocks - 1 pc RMS
2 piece RMS, w/ Oil level sight plug ,No dipstick
Pre '80 blocks - 2-pc RMS
Pre-'80 blocks, 2 piece RMS, left hand dipstick
'86 and newer blocks, 1 piece RMS, right hand dipstick
'80-'85 blocks, 2 piece RMS, right hand dipstick