Here's why, also according to Adolf Galland, the Spitfire Mk.XIV (and not the P-51D) was the best piston-engined fighter of WWII in Europe - The Aviation Geek Club
Triumph Spitfire 1300 Forged Piston Set +0.060"
516212 PISTON ETRIER DE FREIN TRIUMPH SPITFIRE TYPE 14 MK3 MKIV 1500 - nbc-shop