Top Flite Models produces a 65"wingspan kit and arf and a 84" ws kit and arf. 

Beautiful Top Flite P-51D model built by Eyal in Israel, powered with a 3W50cc gas engine. The model replicates the first Israeli P-51.

test flight video

Eyal's complete build thread is on RCSCALEBUILDER

Turbo powerd P-51 by GEH. More info at RC Groups. Video here.

This 84"ws Top Flite kit was built into a RCAF 402 Squadron based in Winnipeg, Manitoba, Canada. The middle photo is a 402 Mustang parked on the apron in the late 1950's. The third photo is Bob May's restored P-51 taxing during the Gathering of Mustang in 2007. The kit was powered by a US41 gas motor (changed to a DL50), uses Robart retracts and weighed 22.5 lbs.

Frank Miller of Winnipeg built this Top Flite arc into Ferocious Frankie, the plane of Wallace E Hopkins an ace with the 374th Fighter Squadron, 361st Fighter Group. Model is powered by a Brison 3.2

This 84"ws Top Flite arf was changed from the arf marking of Big Beautiful Doll  into Twilight Tear from the USAF 83rd fighter squadron.  The middle photo is Twilight Tear flying at an airshow in Duxford England and the third photo is a wartime photo of Twilight Tear.  This arf is powered by a Brison 3.2 gas motor, uses Robart retracts and weighed 23.5 lbs.

A Top Flite rtc arf was converted into an A model (using TF P-51B model parts) to represent the aircraft flown by F/O Larry Doherty who was KIA on June 6, 1943. The model is powered by a Brison 3.2, paint is brushed on latex, robart retracts.

Fuselage formers to convert Top Flite D model to B model.