ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-27 1 2 3 4 5 6 7 8 9 10 11 CONTENTS ELECTRICAL FRAME FRONT END CONTROL WHEEL ENGINE DRIVE TRAIN FUEL EXHAUST GENERAL REFERENCE By taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI® has developed ovate wire Beehive style springs that will live and perform at a high level in Harley-Davidson® applications. By coupling these developments with strict KPMI® design protocols and employing multiple design, simulation, and FEA analysis software, they were able to overcome the torsional stresses unique to ovate wire springs that previously severely limited their operating parameters. This was critical, as there are a large number of camshafts for these applications, each with varying spring requirements. KPMI® Beehive Springs are progressively wound using Kobe Super-Clean chrome silicon based wire, that is heat treated and shot peened. KPMI® uses its tightly toleranced, FEA designed hardened Titanium retainers in these applications, to ensure correct assembly height and resist keeper pull through. The hardened steel basewashers included in these kits are designed to locate the spring, and control lateral movement. Valve Spring Kits Model & Year Max. Lift Retainer Type Part # Fits Milwaukee-Eight® 107” & 114” 2017/Later .465” Titanium 61311 .465” Hardened Steel 61312 .550” Titanium 61313 VALVE SPRING KITS TWIN CAM VALVE SPRING KIT 61311 61312 61313 Type Max Valve lift Installed Height Seat Pressure Open Pressure @ Lift Intake .610” 1.860” 175# 400# .610” Exhaust Kit 4 CrSi Valve Springs 4 H. T. Steel Retainers Includes 47 H.T. Steel Keeper (OEM Style) 4 H.T. Steel Basewashers Fits Twin Cam 1999/2004 Part 61308
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