Connecting Rod Bearing by King Engine Bearings King XP race bearings have already led to new records on the race track Kings ability to meet the continuously changing and challenging demands of the racing industry with our unique materials and geometric features are a testament to the quality and reliability of our bearings and reinforces our commitment to developing the ultimate race bearings Successful race engine builders are constantly pushing the limits of load capacity to new levels Race bearings today inevitably need to match these demands with more competitive bearings At King Racing met the challenge with the XP high performance bearings series Features. The XP series is a line of bearings with advanced metallurgical and geometric technologies that meet extreme performance loads. Developed for all performance applications that use forged steel aftermarket crankshafts and produce high loads for extended periods. King Racings XP series features pMax Black a unique trimetal structure that is 24percent harder than any other conventional trimetal race bearing. pMax Black together with the XP geometric features are the ideal combination for performance racingCompatibility. 19892002 Nissan Skyline. 19961998 Nissan Stagea