gm 14 bolt rear end housing
That is a 1965 Chevrolet Chevelle 12 bolt rear differential.
3.23
It is the stamped identification number on a 12 bolt rear housing for a Chevy/GMC vehicle that measures 60.625" axle tube end to axle tube end. Mostly truck housings but there are exceptions to this rule.
Rear end
Part of the rear end.
Look at the front part of the rear end where the driveshaft bolts to it and you will find it in the housing. It will be on the passenger side of the rear end housing where the driveshaft hooks to the rear end.
1970-72 Chevy Chevelle 12 bolt rear end.
Casting number 1253741 rear end housing is 76 Monte Carlo thats what is in mine
Rear end
The number of times the driveshaft turns for each turn of the rear end gear. For example, a 3.55 rear end gear would turn once for every 3.55 rotations of the driveshaft.
The number one reason for rear-end crashes is a combination of following too closely and inattention, often as a result of texting or other distractions.