KUSTOM KRAFT BUILDS AND PORTS ENGINES. I HAVE 2 KX500 MOTORS THAT HAVE KUSTOM KRAFT TOP ENDS, BOTH HAVE HAD PORT WORK DONE BUT NOTHING RADICAL. I BOUGHT THE MOTORS WITH THE WORK DONE ALREADY AND BOTH RUN STRONG! WWW.KUSTOM-KRAFT.COM
ONE OF THE MOTORS IS IN A 86 TECATE ALSO!!!!