If it's the factory engine, then it will be a 2-bolt main engine.
YES, It will bolt right up with NO modifying.
it is more than likely a two bolt main. i have a 90 1500 and it was a 2 bolt before i changed motors
4 x 43/4
350 i think.
The 1990 K1500 pickup truck parking brake is equipped with a adjustment bolt. Turn the adjustment bolt in or out to adjust the parking brake.
6x5.5"
The S10 pickup has the 5x4.75 bolt pattern.
The V-8s are 65 foot pounds.
bolt pattern for these model smaller chevy's is 5x4.75
3291
6 lug on 5.5 center to center
6 on 5.5