HIGH LOAD BEEHIVE SPRING KIT, Milwaukee Eight With Ti retainers

FEULING HIGH LOAD BEEHIVE valve springs are a direct bolt in replacement, no spring seat or rocker cover machining required up to 0.565 lift. These springs will accommodate over 0.600 cam lift but may require spring seat pocket machining on the cylinder heads to set correct spring open height. Milwaukee Eight HIGH LOAD springs are machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex finish to give these valve springs the needed fatigue life to exceed the high demands of V-Twin engines from stock to performance.ONLY recommended for 0.540+ lift camshafts and RACE style engines as these valvesprings if not set properly will create extreme rocker arm deflection - See Feuling 592 grind cam #1348 or 618 grind cam #1352.FEULING BEEHIVE valve spring kits are each hand measured and labeled specifically based on their coil bind / required open height. Our kits require you to measure instal