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This Valve Spring Shim Kit allows the engine builder to adjust spring pressure by combining various thickness shims.
- The kit is a great help when trying to obtain consistent spring pressure across all valves
- Kit includes 12 shims (4 each: .015", .030", .060" thickness)
Note
Fits Harley-Davidson '04-later Sportster XL and '05-later Twin Cam models equipped with Valve Spring Kit P/N 18344-05, '99-'04 Twin Cam, all Evolution 1340 and '86-'03 XL equipped with Valve Spring Kit P/N 18013-03A.
