DeatschWerks 450cc Top Feed Injectors - 11-16 CR-Z, 06-09 S2000, 02-06 RSX, 04-08 TSX, & 02-11 Civic Si

Regular price $372.90 USD $322.05 USD

Ready To Ship! Special Order! Ships in 10+ weeks

Part # dw21U-01-0450-4

The DeatschWerks 450cc Top Feed Injectors Kit includes a full set of 4 injectors and 4 PnP electrical connectors (PN: CONN-US-HON) for a plug and play use. These injectors have been tested and produced for OEM needs or power upgrades depending on your applications and needs!

  • Honda CR-Z [ZF1/ZF2] (2011, 2012, 2013, 2014, 2015, 2016)
  • Honda Civic Si [FA5 Sedan] (2006, 2007, 2008, 2009, 2010, 2011)
  • Honda S2000 [AP2] (2006, 2007, 2008, 2009)
  • Acura TSX [CL7/CL9] (2004, 2005, 2006, 2007, 2008)
  • Acura RSX [DC5 Including Type S] (2002, 2003, 2004, 2005, 2006)


Built using OEM quality cores
E85 compatibility
Flow rates and set balancing in-house by DeatschWerks
Flow balanced to within 1-2% (flow report included)
Excellent spray pattern and atomization for optimized idle and tuning
Technical assistance and tuning data available via phone or email
3-year comprehensive warranty

Extended Information

Type: Injectors (set of 4)
Fuel Pressure Range: 40-100 [psi]
Minimum Pulse Width: 1.2 [ms]
Maximum Duty Cycle: 92%
Coil Impedance: 12.9 [ohm]
Injector Type: Denso Top Feed
Connector Type: USDM automotive
Warranty: 3-year

Customer Reviews

Customer Reviews

Based on 1 review
Joseph F. (Jacksonville, FL, US)
CRZ 2016

Fuel mileage is way down. My car doesnt read the correct fuel mileage, however It will tell me when the tank is low. Definitely helps with giving the car more power to the HKS supercharger. Definitely a worthy upgrade.

Customer Questions


In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on Clearance Items, Final Sales, Special Orders, Opened, Installed, Incomplete, or Otherwise Used Products. In order to initiate a return, an RMA number must be requested and approved via e-mail.
All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).

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All international orders outside of the USA are subject to duties and taxes per your countries jurisdiction and determined by customs.
Kami Speed serves the right to ship using an alternative method if we see it fit, in order to expedite shipping and reduce your rate depending on product value.