These parts are from an early Spitfire4 gearbox #FC37627 that was salvaged from a previously owned vehicle. The main parts included are all in good condition and could probable be used in a rebuild. Their condition can be seen in the attached photos. A diagram of the main and drive shaft gears is includid for clarity. Many of these parts are no longer available commercially. They are listed below along with their Rimmer # and availability.
Bell housing 210449 NA
Gearbox housing 149110 NA
Rear extension 209590 NA
Top cover casing 158493U $36.57
Top cover extension 306152AU $52.42
Countershaft gear cluster 129815 NA
Reverse gear 113077 NA
Reverse gear actuator NA
Reverse gear spindle 113071 $4.96
1st gear & synchro hub assembly 509652 NA
2nd gear 112672 NA
3rd gear 150921 NA
3rd gear synchro hub and carrier 156968 NA
Gear selector 118040 NA
Front operating shaft 127740 NA
Center coupling 127741 NA
Drive flange 109050 $11.57
Bellhousing NA