Detroit TrueTrac Differential Carrier 33 Spline 4704021-10 This 1993-1997 GM LT1 BBK

This 1993-1997 GM LT1 BBK Performance Under-drive Crank Pulley is designed as direct bolt on replacement for the current factory pulley and will retain full cooling and charging characteristics

Sealer between tray and block recommended with gasket between tray and oil pan

1969-1972 Nissan 521 Pickup

Dual Inlet

165" Valve Pocketed Gasket Bore

Detroit TrueTrac Differential Carrier 33 Spline 4704021-10 This 1993-1997 GM LT1 BBKProduct Description: Differential Carrier Detroit Truetrac 33 Spline 3. 08 to 3. 90 Ratio Steel 8. 875 in GM 12 Bolt Sold Individually The legendary Detroit Locker began the revolution in performance differentials and still leads the industry today as an Eaton brand. The Detroit Locker is the most durable and dependable locking differential available. The Detroit Locker maximizes traction by delivering 100% of the torque to both drive wheels. It is