Titanium - with Funny car pedal , blow back tabs , Quad bolts (4 - 3/4" cornerbolts), and magnesium spacer to move release bearing slightly further into transmission area, studs for lenco bolt pattern |
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Material :
- Aluminum (yes there is still some out there)(* no longer certifiable )
- Steel Thin (* no longer certifiable )
- Steel with aluminum inspection cover (* no longer certifiable )
- Aluminum "new style"
- Steel with steel cover and clearance hole cover
- Titanium with all titanium components including bolts |

Steel - 8 5/8 with FC pedal - covers are not aluminum
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Depth:
- stock - this is lakewood style stock , usually curved on top to fit door cars
- less than 8" really old - but still out there
- 81/8 " - these may be re certifiable for multi disc clutches - usually 2 disk
- 8 5/8 " - most common today 3 disk alcohol some 4 disk fuel
- 8 5/8"-converted to 9.4"
- 9.4 " Fuel multi disk |

Stock style Note: shown is with removable
bottom and is no longer approved
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8 5/8" converted to 9.4"
Note: spacer plate between engine and front of bell housing, and spacer with large internal hole so release bearing actually sits in front pocket of cannon to achieve enough clearance for 4-5 disk multi-stage clutch |
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Note: (right) cross shaft has also been moved further away from center - to clear moving clutch parts and provide better geometry for fork and release bearing wide clutch fork to allow bearing to sit between arms - for additional clearance
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