Siemens-Deka 5.3 gps, Harley-Davidson Twin-Cam

Siemens-Deka 108420 is out of production/out of stock

Check this link to see the replacement Magetti-Marelli fuel injector. 
  https://www.fiveomotorsport.com/iwp-magnetti-marelli-42lb-450cc-siemens-108420/

Fiveo Magnetti-Marilli specifications match 108420:

• 5.3       g/sec
• 450      cc/min @ 3 Bar
• 42.0     lbs/hr @ 43.5 psi

Engines running the Siemens or Magnetti-Marelli: EV-1 (Rectangle connector, both-sides locator tabs)