Valve Spring Kits & Components by Precision Machine

KPMI offers OEM Stock Replacement & Lightweight Racing Valve Spring Kits for Older Bikes!

 

Knucklehead 1936-1947 * O.E.M Replacement Spring Kit
TEC # Description Retainers Keepers Springs Lower Collars KPMI #
86849 .415 Valve Lift O.K. Steel Steel Chrome Silicon Steel 20-20425
 
 
Panhead & Shovelhead O.E.M Replacement Spring Kit (.415 Lift)
TEC # Description Retainers Keepers Springs Lower Collars KPMI #
86950 .415 Valve Lift O.K. Steel Steel Chrome Silicon Steel 20-20435
Panhead & Shovelhead O.E.M Replacement Components
TEC # Description KPMI #
86951 Chrome Silicon Springs only .415 Lift 20-20437
 
 
Panhead & Shovelhead Lightweight Racing Spring Kits (.600 Lift)
TEC # Description Retainers Keepers Springs Lower Collars KPMI #
86937 .600 Valve Lift O.K. Aluminum Steel Chrome Silicon Use O.E.M 20-2110
86938 .600 Valve Lift O.K. Steel Steel Chrome Silicon Use O.E.M 20-20445
Panhead & Shovelhead Lightweight Racing Replacement Components
TEC # Description KPMI #
86939 Chrome Silicon Springs only .600 Lift 20-2000
86936 Keepers 20-2100
86940 Aluminum Retainers 20-4248
  Steel Retainers  
     
 

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