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Fuel Injectors

Racetronix Fuel InjectorsThunder Racing offers a variety of fuel injectors in different flow ratings to fit just about every application.  50lb/hr and larger injectors are dynamically flowed and matched to within 1% by Racetronix on their state-of-the-art computerized injector flow bench. Flow matching and cleaning services are available for smaller injectors as well.

Performance advantages over pintle injectors (i.e. Ford / Bosch & Accel types) as listed by Delphi:
• The flat mating surface ensures that no excess fuel is present to evaporate and therefore, no deposits or clogging can occur.
• Longer service life
• High-speed action allows wider dynamic flow range for improved idling
• Quieter operation
• Revolutionary design resists build up deposits which can affect fuel flow
• No Fuel leakage for quicker starts

Why Buy Racetronix Flow-Matched Injectors?   Racetronix flow-matched injectors are grouped to within 1% tolerance using Racetronix custom computerized injector flow bench.  Unlike companies that claim they sell "flowed-matched" injectors, Racetronix starts with large quantities of injectors, which come from the factory in lots that may vary in flow by as much +/- 5%.  Racetronix injectors are statically flowed and dynamically flowed at various RPM's and pulse widths. This injector flow data is transmitted into a computer database which sorts the injectors into 1% tolerance groups. 


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135-INJ-12555894(A) 
Delphi / Bosch 24lb/hr LS1; New factory injectors (Set of 8) w/ Minitimer (Bosch EV1/LS1) Connectors
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$300.00
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Part No. 135-INJ-12555894(A) (Image is representative of product but may vary from actual photograph)

135-INJ-D1810BA 
Racetronix 24 lb/hr Disc High-Z Fuel Injector (Set of 8) w/ Minitimer (Bosch EV1/LS1) Connectors
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$320.00
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Part No. 135-INJ-D1810BA (Image is representative of product but may vary from actual photograph)

135-INJ-L32-8 
Ractronix 32 lb/hr Disc High-Z Fuel Injector w/ Minitimer (Bosch EV1/LS1) Connectors
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$300.00
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Part No. 135-INJ-L32-8 (Image is representative of product but may vary from actual photograph)

135-INJ-621037-8 
Delphi/Lucas 37# High Impedence Fuel Injectors w/ Minitimer (Bosch EV1/LS1) Connectors
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$320.00
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135-INJ-621037-8
Part No. 135-INJ-621037-8 (Image is representative of product but may vary from actual photograph)

135-INJ-L48-8 
Racetronix 48# High Impedence Fuel Injectors w/Minitimer (Bosch EV1/LS1) Connectors
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$360.00
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Part No. 135-INJ-L48-8 (Image is representative of product but may vary from actual photograph)

135-INJ-1D066X-8 
Racetronix 55# High Impedence Fuel Injectors w/Minitimer (Bosch EV1/LS1) Connectors
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$480.00
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Part No. 135-INJ-1D066X-8 (Image is representative of product but may vary from actual photograph)

135-INJ-L107FM-8 
Siemens/Continental Deka 4 Flow-Matched 63# Style Fuel Injectors w/ Minitimer (Bosch EV1/LS1) Connectors
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$440.00
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Part No. 135-INJ-L107FM-8 (Image is representative of product but may vary from actual photograph)

135-INJ-LU107FM-8 
Siemens/Mototron Deka 4 Flow-Matched 63# Style Fuel Injectors w/ USCAR Connection (Set of 8)

Fits:
LS2/LS3/LS7 with the use of Fuel Rail Spacer Kit, 148-A4096, sold separately below
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$440.00
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Adapter kit:
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Part No. 135-INJ-LU107FM-8 (Image is representative of product but may vary from actual photograph)

135-INJ-L79FM-8 
Racetronix Flow-Matched 79# Style Fuel Injectors w/ Minitimer (Bosch EV1/LS1) Connectors
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$600.00
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Part No. 135-INJ-L79FM-8 (Image is representative of product but may vary from actual photograph)

135-INJ-M145FM-8 
Siemens/Continental 46.5 lb/hr Shorty USCAR Fuel Injector (Set of 8, Flowmatched)

Fits:
LS2/LS3/LS7 Stock Fuel Rails without any adapters
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$400.00
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Part No. 135-INJ-M145FM-8 (Image is representative of product but may vary from actual photograph)

135-INJ-S107FM-8 
Siemens/Mototron 63 lb/hr Shorty Minitimer Fuel Injector (Set of 8, Flowmatched)

Fits:
LS2/LS3/LS7 with the use of Racetronix's Fuel Injector Adapter Harness 135-IA-UM (you'll need 8) AND Fast Fuel Rail Adapter Kit 142-54026
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$440.00
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Part No. 135-INJ-S107FM-8 (Image is representative of product but may vary from actual photograph)

135-INJ-17113739-8 
Racetronix / Multec 44# Short Style Fuel Injectors - Direct fit for GM LS1 Truck & SUV
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$392.00
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135-INJ-17113739-8
Part No. 135-INJ-17113739-8 (Image is representative of product but may vary from actual photograph)

135-INJ-621031FM-8 
Delphi/Lucas 42# High Impedence Fuel Injectors - Set of 8 Flowmatched w/ Minitimer (Bosch EV1/LS1) Connectors
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$360.00
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