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Pro-Flo 4 Plus EFI Knock Sensor Harness #36125 For Ford Coyote 5.0; This Knock Sensor Harness is an auxillary support item for Pro Flo 4 Plus Ford Coyote EFI Systems. This Harness will plug into the Pro Flo 4 Plus Ford Coyote Main Engine Harness Connector labeled Knock.

Pro-Flo 4 Plus EFI Knock Sensor Harness #36135 Chevrolet LS 3; This Knock Sensor Harness is an auxillary support item for Pro Flo 4 Plus Chevrolet LS 3 EFI Systems. This Harness will plug into the Pro Flo 4 Plus Chevrolet LS 3 Main Engine Harness Connector labeled Knock.

Pro-Flo 4 Plus EFI Knock Sensor Harness #36145 Chevrolet LS1; This Knock Sensor Harness is an auxillary support item for Pro-Flo 4+ Chevrolet LS1 EFI Systems. This Harness will plug into the Pro-Flo 4+ Chevrolet LS1 Main Engine Harness Connector labeled Knock.

Pro-Flo 4+ EFI Ignition & Engine Position Harness 36112 Chevy LS 24x Crank/Cam; This Ignition and Engine Harness is required and sold separately from PF4+ Chevy LS EFI System #36130. Harness has connections for Coil Pack Harnesses, Crank Sensor, Cam Sensor and Engine Ground.

Pro-Flo 4 Plus EFI Wiring Harness and Radiator Fan Relay Module #36115; This Radiator Fan Module Harness is designed to simplify Radiator Cooling Fan Installation and wiring with Pro-Flo 4+ EFI Systems.

Pro-Flo 4+ EFI Ignition & Engine Position Harness 36112 Chevy LS 58x Crank/Cam; This Ignition and Engine Harness is required and sold separately from PF4 Plus Chevy LS EFI System #36130. Harness has connections for Coil Pack Harnesses, Crank Sensor, Cam Sensor and Engine Ground.

Pro-Flo 4+ EFI Throttle Wiring Harness 36132 Chevy LS, Single Drive By Wire; This harness is designed to work with the GM Throttle Body.

Pro-Flo 4+ EFI Throttle Wiring Harness 36142 Chevy LS, Dual Drive By Wire; This harness is designed to work with the GM Throttle Body.

Pro-Flo 4 Plus EFI O2 Sensor Extension Wiring Harness #36152; A support item for all Pro-Flo 4+ EFI Systems where a customers wants to run a second O2 Sensor.

Pro-Flo 4 Plus EFI Sensor & Output Harness 36155 Chevy LS Using 4 Pin Alternator; This Sensor and Output Harness is a support item necessary for Pro Flo 4+ Chevy LS EFI Systems running a 4 Pin Alternator.

Pro-Flo 4 Plus EFI Sensor & Output Harness 36165 Chevy LS Using 2 Pin Alternator; This Sensor and Output Harness is a support item necessary for Pro Flo 4+ Chevy LS EFI Systems running a 2 Pin Alternator.

Pro-Flo 4 Plus EFI Knock Sensor Harness #36175 For Mopar Hemi Generation 3; This Knock Sensor Harness is an auxillary support item for Pro-Flo 4+ Mopar Hemi Gen III EFI Systems. This Harness will plug into the Pro-Flo 4+ Mopar Hemi Gen III Main Engine Harness Connector labeled Knock.