OK, SORRY IT TOOK SO LONG FOR THE REPLY. ALL I COULD COME UP WITH IS USING A SPECIALTY AFTERMARKERT ASSEMBLY. I COULD NOT LOCATE A CROSSOVER BOOSTER SMALL ENOUGH FROM ANOTHER VEHICLE APPLICATION. CLASSIC PERFOMANCE PRODUCTS IS A COMPANY IN BUENA PARK CALIFORNIA THAT SPECIALIZED IN PERFORMANCE BRAKE AND SUSPENSION PARTS THEY CAN BE REACHED AT (714) 522-2000, THIS IS THEIR TECH LINE. THEY ALSO HAVE A WEB SITE
www.classicperform.com THEY HAVE DUAL MASTER CYL APLICATIONS WITH DIFFERENT SIZE BOOSTERS FOR TIGHT FIT.