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Holley LS/LT High-Mount Power A/C, Steering & Alternator Bracket Black 20-132BK Black Alt, P/S & A/C- Fits Sanden SD508 or SD7 Comp. Holley is pleased to offer simple, clean, cost effective solutions that solve the accessory drive challenges...

Holley EFI GM F-Body T-56 Transmission Harness for Terminator X Max ECU   F-Body T-56 Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, or Holley EFI V6 Build 300, or later.   F-Body T-56 Transmission Harness -...

Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU  T-56 Magnum Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, Holley EFI V6 Build 300, or later.   T-56 Magnum Transmission Harness - Terminated...

Holley LS/LT High-Mount Complete Accessory Drive Kit Black 20-138BK Includes SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, & Pulleys Now available from Holley are complete kits that have everything needed for the application including...

Holley LS/LT High-Mount Complete Accessory Drive Kit Polished 20-137P Includes SD508 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, & Pulleys Now available from Holley are complete kits that have everything needed for the application...

Holley LS/LT High-Mount Complete Accessory Drive Kit Black 20-137BK Includes SD508 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, & Pulleys Now available from Holley are complete kits that have everything needed for the application...

Holley GM LS Gen III/IV Mid Mount Accessory Drive System 20-185BK - Polished LS Engine Drive includes SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, Belt, crank damper & Pulleys Holley's Mid-Mount complete accessory system has all accessories...

Holley GM LS Gen III/IV Premium Mid Mount Accessory Drive System 20-180P - Polished LS Engine Drive includes SD7 A/C Compressor, Alternator, P/S Pump, Tensioner, SFI certified damper w/hard anodized billet crank pulley, Belt, & Pulleys Holley's...

Holley Sniper EFI HyperSpark Ignition Coil  556-152 Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best? Introducing HyperSpark Ignition, from Sniper EFI. The complete system...

Holley EFI Oxygen Sensor Cable - Sniper / Terminator X Replacement Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Features: Anti-Seize pre-applied to sensor threads. Service Oxygen Sensor for Sniper EFI...

Holley EFI CAN to USB Dongle - 8' Communication Cable 558-443 Compatible w/ Holley EFI, Sniper EFI, and Terminator X Software The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used...

Holley Sniper EFI Transmission Control Kit w/ 3.5" Handheld - For GM Carbureted Applications  For Carbureted applications - includes 3.5" Handheld. The Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed...