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EFI Connection LLC

EFI Connection LLC

28K items sold
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Featured items

  • Delphi Micro-Pack 100W Series Female Unsealed Terminal 12084912 25 PCS

    AU $25.73

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Manifold Absolute Pressure MAP 1 Bar Sensor Pigtail GM 5.0L TPI LB9 (90-92)

AU $13.48

Delphi Micro-Pack 100 Series Female Unsealed Terminal 12146448 25 PCS

AU $20.03

Bosch BDK 2.8 Female Sealed Tin (Sn) 16-14 AWG Terminal 25PCS

AU $28.50

Coolant Temperature Sending Unit Connector Pigtail GM 85-92

AU $15.39

4L60E Transmission Connector Pigtail Bundle VSS 4L65E GM

AU $34.65

EFI Connection LS1 OBDII Computer PCM ECU Terminals Pins 25PCS Corvette Camaro

AU $15.38

48mm TPI LT1 Throttle Body Gasket Set (stock size)

AU $23.10

EFI Connection Tesa Tape 51036 Single Roll

AU $18.47

Delphi Metri-Pack 280 Series Male Sealed Terminal 12129497 (25 Pieces)

AU $23.88

A/C Compressor Clutch Pigtail GM 5.7L LS1 (97-05)

AU $11.56

Accelerator Pedal Position APP Sensor Connector Kit GM 6.0L LS2 (05 Corvette)

AU $19.72

Throttle Body Pigtail GM 6.0L LQ9 (03-07)

AU $20.80

EFI Connection Aluminum Vortec Distributor Cap Made in U.S.A.

AU $43.14

OBD-II Diagnostic Test Connector Pigtail GM CAN OBD2 OBDII

AU $18.47

LS Gen III Engine Wiring Systems: 1997-2007

AU $56.93

Throttle Position Sensor TPS Pigtail GM 5.0L TPI LB9 (85-92)

AU $15.39

Stock Billet Aluminum Timing Cover w/ckp for 96-97 LT1 Engine replaces 12550032

AU $608.58

Oil Pressure Sensor Pigtail GM 5.7L LS1 (98 Camaro Firebird)

AU $21.57

EFI Connection TAC to Pedal Harness - Early Truck 4FT Length

AU $69.26

Manifold Absolute Pressure MAP Sensor 18" Extension Harness 6.2L LS3 (08-17)

AU $46.22

Electric Radiator Cooling Fan Relay Pigtail GM 5.7L TPI L98 (88-92)

AU $24.65

Intake Air Temperature IAT Sensor Pigtail GM 5.7L TPI L98 (85-92)

AU $16.18

JST AIT-II .064 Series Female Unsealed Terminal SAIT-A03GF-M064 (25 Pieces)

AU $22.73

700R4 4-Speed Automatic Transmission Pigtail GM 5.0L TPI LB9 (85-92)

AU $23.11

EGR Valve Pigtail GM 5.7L L31 (96-02)

AU $15.41

Rennsteig Crimp Die Set 624 1447 3 01 RT for Aptiv DHD 1.6 Series Terminals

AU $192.59

Oil Pressure Sensor Connector Kit GT GM 5.7L LS1 (97-05 Corvette)

AU $16.64

OBD-I Diagnostic Connector Pigtail GM 5.7L TPI L98 (85-92)

AU $17.33

4L60E 4L80E Transmission Range Switch Pigtail GM 6.0L LQ4 (04-08)

AU $43.14

Molex MX64 33467 Series Female Unsealed Terminal 0334670005 (25 Pieces)

AU $21.57

EFI Connection MAP Adapter Sensor Harness - LS3 LS7 to LS1 LS6 LS2 MAP Sensor

AU $36.98

EFI Connection Connector Kit for GM 700R4 Transmission

AU $19.26

TE (AMP) Super Seal 1.0 Female Unsealed Gold (Au) 18-16 AWG Terminal Pack of 50

AU $64.69

Mass Air Flow MAF Sensor Pigtail GM 6.2L LS3 (08-17)

AU $14.64

Molex MX150 1.5 Female Unsealed Tin (Sn) 20-18 AWG Terminal 25PCS

AU $19.10

Engine Coolant Temperature ECT Sensor Pigtail GM 5.7L TPI L98 (85-92)

AU $13.87

Engine Coolant Temperature Gauge Sending Unit Pigtail GM 5.7L TPI L98 (85-92)

AU $24.65

Delphi Micro-Pack 100W Series Male Unsealed Terminal 12160551 (25 PCS)

AU $24.27

700R4 4-Speed Automatic Transmission Pigtail GM 5.7L TPI L98 (85-92)

AU $19.95

Molex MX64 33467 Series Female Unsealed Terminal 0334670005 (50 Pieces)

AU $23.11

Oil Pressure Gauge Sending Unit Pigtail GM 5.7L LT1 (92-97)

AU $23.11

Reverse Lockout Solenoid Pigtail T56 GM 5.7L LS1 (00-02 Camaro Firebird)

AU $8.47

Throttle Position Sensor TPS Pigtail GM 6.0L LQ9 (2002)

AU $23.11

Vortec Crankshaft Sensor Plug & Bolt Kit Billet Aluminum - 4.3 V6 V8 SBC LT1

AU $46.21

Throttle Body ID Plate Die Cut Gasket (Gasket Only) GM TPI LT1 Made in U.S.A

AU $11.56

Throttle Position Sensor TPS Pigtail GM 5.7L TPI L98 (85-92)

AU $15.41

Throttle Actuator Control Module TAC Pigtail GM 6.0L LQ4 (03-08)

AU $53.92

NEW Ford 104 Pin EEC-V ECM PCM Computer Connector Assembly

AU $101.61
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About us

We specialize in GM fuel injection systems for SBC, LT1, and the variety of LS engines. Since 2003 we have been manufacturing brand new fuel injection engine harnesses and connector pigtails for GM engines and offering replacement harness components for GM fuel injection harnesses.

Modernize Your Early SBC, TPI, or LT1/LT4 Engine
Our 24x systems and 58x systems bring Gen III LS1 PCM control and Gen IV LS3 ECM control to these popular engines. Our 24x solution is the only replacement to the troublesome LT1 optispark distributor and has enabled amazing potential for these engines; even 8,000 rpm capabilities!
Location: United StatesMember since: 13 May 2013Seller: eficonnectionllc

Feedback ratings

Last 12 months

Positive488- positive Feedback in last 12 months
Neutral5- neutral Feedback in last 12 months
Negative3- negative Feedback in last 12 months

Detailed seller ratings

Average for the last 12 months

Accurate description
4.9
Reasonable postage costs
5.0
Postage speed
5.0
Communication
5.0

Seller Feedback (6,728)

u***d (31)- Feedback left by buyer.
Past 6 months
Verified purchase
Simple transaction, great communication, good price and quick delivery of OE quality auto wire
e***h (1395)- Feedback left by buyer.
Past month
Verified purchase
As described quick ship. Great EBay seller!
_***n (209)- Feedback left by buyer.
Past 6 months
Verified purchase
Great seller, part are always as listed, excellent shipping time.
r***e (334)- Feedback left by buyer.
Past 6 months
Verified purchase
Great price, fast shipping and great e'seller
u***l (1088)- Feedback left by buyer.
Past 6 months
Verified purchase
Good price, description, and got it fast.
f***9 (82)- Feedback left by buyer.
Past year
Verified purchase
Great communication and great seller. Fast shipping and item received as described. Thanks!
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