I'm not sure what a 341 Muncie is but the factory 3 speed for a 55 truck is an SM318 Muncie. If you have a 6 cylinder truck
it would have a side cover with the 2-3 shift lever pointing up and the 1-R lever pointing down. If it is a V-8 truck,
both levers are pointing down. The shafts on the side cover have notches that correspond with the configuration of
the shift rods. Both shift levers need to point up for a floor shift conversion. Generally the replacement levers come with
a floor shift kit. If not, some modifications will need to be made to either the shafts or the levers.
The lever shown in the photo is for the column shift and won't work with a floor shifter.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine