[HO455]

Not my tranny but it looks interesting. I have never heard of one these. (Not that that means anything )


https://seattle.craigslist.org/sno/p...929681217.html

This is for an NP440 transmission that I recently rebuilt. Price is firm. This is a rare transmission used in some chevy trucks during the 80s. The chevy RPO code for this transmission is MY6. This is a chevy 4 speed with 4th gear being overdrive. There were two options for this transmission 4wd and 2wd. The 4wd transmissions got the cast iron case while the 2wd transmissions got an aluminum case. I took a 4wd case and converted it to 2wd with an aluminum tailshaft and 2wd mainshaft. This is the strongest way this transmission can be built in 2wd. I already have one of these in my car and I do not need this one. This transmission has a 27 spline output shaft tooth count and you can use a TH350 transmission crossmember to mount this transmission. This transmission uses a hybrid chevy chrysler bellhousing bolt pattern. This comes with the correct bellhousing. It also comes with a bellhousing to block spacer if you want to use a hydraulic throwout bearing. This transmission has almost the same gear ratios as a 700R4 transmission. If you want to keep a manual transmission and give your hotrod/truck overdrive that is decently strong and will not break the bank here is your chance.


NP440 Gear Ratios:
1st: 3.09
2nd: 1.67
3rd: 1.00
4th: 0.73

Input Shaft Spline: 10 Spline
Output Shaft Spline: 27 Spline
Flywheel Diameter: 11 inch flywheel will fit
Clutch Size: 11 inch clutch will fit
Speedometer Drive Gear: 17 Tooth Red Gear (Part #8640517)

Comes With:
NP440 Cast Iron Case 2wd Mainshaft and Tailshaft
NP440 Bellhousing Manual Clutch Style
Factory Hurst 4 Speed Shifter
Bellhousing to Block Spacer 1/4inch (ICB-551820-250)
Extra: 4wd mainshaft
Extra: 4wd Tailshaft
Extra: 4wd Rear Bearing Retainer

Needs:
Speedometer Housing (TH400 Will Work)
Reverse Switch
Shifter Arms
You will need to make custom shifter linkage
One of the shifter cover bolts broke off in the case it may need to be extracted at some point