8.25" Front IFS 3.73 Gear Set Factory Original PowerStop AutoSpecialty This is a four wheel

This is a four wheel drive loaded main shaft with 23 splines on the output shaft

This BW1356 tail housing does NOT have a speedometer hole

This tail housing has the small speedometer hole

NP243C Transfer Case Mode Fork Driver Drop GM Chevy GMC 24671 OEM

The 258 six was first used with the T18 in 1972

8.25" Front IFS 3.73 Gear Set Factory Original PowerStop AutoSpecialty This is a four wheel8. 25" Front IFS 3. 73 Gear Set Factory Original Please look closely at pictures to verify if this item meets your expectations. Our Business hours are Monday Friday 7am to 4pm eastern time, if you message after hours or over weekend or holidays we will respond as soon as we return to the shop. This original 8. 25" 3. 73 gear set is for the full size GM trucks and SUV with the 8. 25" IFS front differential. These carriers where used in GM full size