This kit contains the following 456MGTA (AUTOMATIC ONLY) 30K major service items:

7 x 117275 CAM O-RING
4 x 163987 CAM SEAL
2 x 140787 END PLATE GASKET
2 x 140753 GASKET
4 x 114808 CAM BOLT O-RING
2 x 187744 TIMING BELT (456/550/575/612)
2 x 186922 FUEL FILTER
2 x 151562 AIR FILTER
2 x 206166 OIL FILTER
1 x 199836 BELT POLY-V K5
1 x 201447 BELT "DAYCO PV-K" A 6
2 x 154562 GASKET
2 x 324050 INTAKE-HEAD ALUMINUM GASKERT STRIP
2 x PT550 456/550/575/612 CAM BELT PULLEY

While you're digging into your 456, why not also consider adding an improved cooling fan relay/harness?  We have all the details here:  456/550 cooling fan/relay harness