Part interchange. Will a '05 Roadking speedo fit my '02 Roadking?

According to Hollander interchange, no. 1999 to 2001 and 04, 05 only.

yes actually 95 to 05 1995-2005 Chevrolet Cavalier CV Axle Assembly, Chevrolet Cavalier Drive Axles, API CV Axle Assembly, API Drive Axles SKU: API 1700197008, API 3158-07726494 CV Axle Assembly -- Pass. Side Axle Has Stub Shaft Inserted Into The Splines Of The Inboard Joint; If stub shaft stays on axle upon removal you must transfer to the replacement unit. Driveshaft & Axle Automatic, Automatic 4 Spd 95-05 Chevrolet CV Axle Assembly. Replacement Chevy CV Axle Assembly Parts. 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 95 96 97 98 99 00 01 02 03 04 05

the gen3 had 2 changes in the 2000 --02 and again for 2003 - 05----so some body chassis and engine parts are interchangeable ---to many parts to list if know part ask a junkyard or a body shop for whats is interchangeable

Same part number.

If the harnesses are different you need electrical service manuals from both years to see what you can do or interchange etc.

no, it won't - the ranges that are interchangeable (to the best of my knowledge) are 95-99 00-02 03-05 (each 'sub-generation' within the 3rd gen Cav)

all year flt fenders, fuel tank must be for a road king,97-99. 2000 M.Y. the fuel pump changed. The tank will physically fit but the pump assembly inside is different.I believe the frames changed in 97 so 96 earlier wont bolt up.

take out the front wheel remove the drive it should tap out with a bit of gentle tapping they are not that tight fitting