BCardone (22-207HL) Rack and Pinion ReviewbP PP Cardone (22-207HL) Rack and Pinion P100 computerized hydraulic testing for proper flow, leakage and performance ensures perfect fit and function.P100 new o-rings and lip seals ensure no leaking and long-lasting performance.PAll new spool valve seals and rack donut seals are installed to eliminate internal leaks and ensure reliable performance.PRacks are surfaced to O.E. specifications to prevent leaking between chambers and extend unit life.