BLACK FRIDAY SALE!! 10% OFF RETAIL PRICING. NOW THROUGH MONDAY, NOVEMBER 27, 2023 AT 6:00 PM PST."QUANTUM" FULL BILLET 68RFE valve body. The OEM valve body is the source of many of the shortcomings of the 68RFE transmission. From warping of the poorly supported assembly, to sticking valves due to bore wear, to channel plate wall flex allowing cross-leaks, to leaking and failing accumulator pistons, to the ..