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Beehive Spring Kit, High Perf., Steel, 0.610" Lift, Various HD® Applications

Beehive Spring Kit, High Perf., Steel, 0.610" Lift, Various HD® Applications


Regular price $184.99 USD
Regular price $184.99 USD Sale price $184.99 USD
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California Prop 65

Harley-Davidson® Evolution 1984-1999
Harley-Davidson® XL 1100cc 1986-1987
Harley-Davidson® Sportster883cc/ 1200cc 1988-2003
Harley-Davidson® Twin Cam 88" 1999-2004

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, we were we able to overcome the torsional stresses unique to ovate wire springs that previously severely limited their operating parameters. This was critical, as there are nearly 100 camshaft part numbers available for these applications. 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 steel retainers in these applications to insure 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.

Installation Instructions Click Here
Type Intake/ Exhaust
Retainer Material H.T. Steel
Valve Lift 0.610"
Installed Height 1.860"
Seat Pressure 175#
Open Pressure 400#
@ Lift 0.610"
Unique Identifier No. FR327789_01GAUS
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