Product • Support • Tuning
928-706-6112 • www.TheEFIStore.com
Cart 0
Free Shipping On orders over $1,000
Expert Support Product. Support. Tuning.
Expert EFI Tuning Support TheEFIBrain 24 Hour Chat
Top Brands Holley, MSD, RacePak & More
Secure Checkout Safe & secure shopping

Home / Categories / EFI - Fuel Injection

EFI - Fuel Injection

EFI Complete Kits579 Harnesses457 Injector/Coil Drivers26 Modules and Sensors638 Throttle Bodies181 EFI Distributors297 Gauges and Displays329
2585 products
WB-O2 Nano — w/ 6.5ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor
WB-O2 Nano — w/ 6.5ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor Part # 3010014744 / 2001003625 / 3022000965 $367.00 Add to Cart
WB-O2 Nano — w/ 6.5ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed
WB-O2 Nano — w/ 6.5ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed Part # 3010014744 / 2001003625 $268.00 Add to Cart
WB-O2 Nano — w/ 3ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor
WB-O2 Nano — w/ 3ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor Part # 3010014744 / 2001006086 / 3022000965 $357.00 Add to Cart
WB-O2 Nano — w/ 3ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed
WB-O2 Nano — w/ 3ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed Part # 3010014744 / 2001006086 $258.00 Add to Cart
WB-O2 Nano — w/o harness / add Bosch LSU 4.2 O2 sensor
WB-O2 Nano — w/o harness / add Bosch LSU 4.2 O2 sensor Part # 3010014744 / 3022000965 $298.00 Add to Cart
EGT-4 CAN — w/ harness
EGT-4 CAN — w/ harness Part # 3010017631 / 2001006497 $428.00 Add to Cart
NanoPRO — w/ 15ft Bosch LSU 4.9 unterminated harness / no o2 sensor needed
NanoPRO — w/ 15ft Bosch LSU 4.9 unterminated harness / no o2 sensor needed Part # 3010009597 / 2001010334 $428.00 Add to Cart
NanoPRO — w/ 6.5ft Bosch LSU 4.9 unterminated harness / no o2 sensor needed
NanoPRO — w/ 6.5ft Bosch LSU 4.9 unterminated harness / no o2 sensor needed Part # 3010009597 / 2001010315 $418.00 Add to Cart
NanoPRO — w/ 15ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor
NanoPRO — w/ 15ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor Part # 3010009597 / 2001003839 / 3022000965 $527.00 Add to Cart
NanoPRO — w/ 15ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed
NanoPRO — w/ 15ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed Part # 3010009597 / 2001003839 $428.00 Add to Cart
NanoPRO — w/ 6.5ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor
NanoPRO — w/ 6.5ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor Part # 3010009597 / 2001003625 / 3022000965 $517.00 Add to Cart
NanoPRO — w/ 6.5ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed
NanoPRO — w/ 6.5ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed Part # 3010009597 / 2001003625 $418.00 Add to Cart
NanoPRO — w/ 3ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor
NanoPRO — w/ 3ft Bosch LSU 4.2 unterminated harness / add Bosch LSU 4.2 O2 sensor Part # 3010009597 / 2001006086 / 3022000965 $507.00 Add to Cart
NanoPRO — w/ 3ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed
NanoPRO — w/ 3ft Bosch LSU 4.2 unterminated harness / no o2 sensor needed Part # 3010009597 / 2001006086 $408.00 Add to Cart
NanoPRO — w/ OBD2 Adapter Harness / add Bosch LSU 4.2 O2 sensor
NanoPRO — w/ OBD2 Adapter Harness / add Bosch LSU 4.2 O2 sensor Part # 3010009597 / 2002012793 / 3022000965 $497.00 Add to Cart
NanoPRO — w/ OBD2 Adapter Harness / no o2 sensor needed
NanoPRO — w/ OBD2 Adapter Harness / no o2 sensor needed Part # 3010009597 / 2002012793 $398.00 Add to Cart
NanoPRO — w/o harness / add Bosch LSU 4.2 O2 sensor
NanoPRO — w/o harness / add Bosch LSU 4.2 O2 sensor Part # 3010009597 / 3022000965 $448.00 Add to Cart
FT500 to FT600 Adapter Harness — w/ (20) additional FT600 terminals
FT500 to FT600 Adapter Harness — w/ (20) additional FT600 terminals Part # 2001004005 / 20X 5011100080 $289.00 Add to Cart
FT550 B Unterminated Harness — 20ft - A & B Harnesses
FT550 B Unterminated Harness — 20ft - A & B Harnesses Part # 2001005570 / 2001005572 $378.00 Add to Cart
FT550 B Unterminated Harness — 10ft - A & B Harnesses
FT550 B Unterminated Harness — 10ft - A & B Harnesses Part # 2001005569 / 2001005571 $278.00 Add to Cart
FT500 to FT550 Adapter Harness — w/ (10) additional FT550 terminals
FT500 to FT550 Adapter Harness — w/ (10) additional FT550 terminals Part # 2002005636 / 10X 5011100080 $199.00 Add to Cart
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/ OEM 3-Channel igniter
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/ OEM 3-Channel igniter Part # 2002100543 / 3010005496 / 5001100585 $3,357.00 Add to Cart
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/ SparkPRO-3 (Nautica / Off-Road) waterproof igniter
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/ SparkPRO-3 (Nautica / Off-Road) waterproof igniter Part # 2002100543 / 3010005496 / 3010012266 $3,547.00 Add to Cart
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/o igniter
FT550 Rotax 300 Harness — 8ft / add a FT550 ECU / w/o igniter Part # 2002100543 / 3010005496 $3,298.00 Add to Cart
« Previous 1 2 3 4 5 6 … 108 Next »
Expert Tech Support We know performance
Same Day Shipping Order by 2PM MST
Hassle Free Returns 30-Day Money Back Guarantee
Financing Available Buy Now, Pay Later