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• If you are looking for the ultimate performance upgrade
Constructed from 360 Brass and stainless steel ball bearing
Reinforced double slip-fit with gussets for stability
• D3O® LP1 Tri-Vented Elbow Protectors Pre-Fitted
Kibblewhite KPM-20-20132 Racing Valve Spring Kit for Harley-Davidson Big Twin 84-04/Sportster/Buell 86-03 Steel Double Springs w/0.600" Lift • If you are lookingSince 1939, KPMI has taken great pride in our ability to design innovative performance improvements for valvetrains. This innovative ability has never been more apparent than with the development of the high tech lightweight racing valve spring kits for the incredibly stressed and torturous environment in today's V Twin engines. The challenge to engineer a valvetrain that would outperform OEM systems was not an easy one. This task would require the