Ultima Motor Case Natural Finish

These cases are produced from prime C356-T6. Machining is done on state of the art CNC machining centers using hydraulic fixturing for repeatability. This along with other solid quality features like counter bored allen case bolts, large 1/4” NPT drain plug, and a high volume ported breather make these a professional engine builders choice for high performance engines. All case kits come with the main bearings, cam bearing, chromoly cylinder studs installed and the pinion race sized to 1.751”. Also included are the main seal, main seal spacer, top end feed screen and spring, chrome timing hole plug, stainless steel case bolts and the oil pressure gauge. Fits Harley-Davidson Big Twin Evo 92-99, 3.500 bore