The race-HEMI was adapted to create the 426 Street-HEMI, Chrysler's second generation of the HEMI V8. The 426 HEMI powered some legendary vehicles until its demise after the 1971 model year.
One of the major reasons why it isn't as highly regarded as its Mopar brethren is that it never had a 426 Street Hemi engine option like the rest of the lineup. Heck, even the Plymouth Barracuda ...