Darton Sleeves 4.110" Bore Cylinder Sleeve 5.800" Height 4.310" OD 0.100" Wall - Steel GPS Speedo Sending Unit Turning the adjustment knob will

Turning the adjustment knob will extend spring cup up to 7/8" to increase or decrease spring pressure

Comprised of multiple layers of synthetic media

1976-1981 Jeep CJ7

Spindle Pin

A digital tach and speedometer are also included in it's functions

Darton Sleeves 4.110" Bore Cylinder Sleeve 5.800" Height 4.310" OD 0.100" Wall - Steel GPS Speedo Sending Unit Turning the adjustment knob willProduct Description: Cylinder Sleeve 4. 110 in Bore 5. 800 in Height 4. 310 in OD 0. 100 in Wall Steel GM LS Series Sold Individually Darton is a manufacture of engine block sleeves. Using specialized ductile iron, their sleeves fit a variety of engine makes and sizes.