56007-3501 = SS440-A1 78 Invader
56007-3502 = SB440-A2 78 Drifter
56007-3503 = SS440-A3 80 Invader
56007-3504 + SB440-A4 80 Drifter
56007-3505 = SS440-B1 = 81 & 82 LTD
In the SS550-A parts catalogue (99960-3513), it is specified on page 78 that the tool kit part number for the Interceptor is 56007-3504 "per Dandb7". Thanks