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7' long sealed USB data cable (comes with ECU's, order this as a replacement or a spare.) Als..
$79.67 $71.70
Because of the extremely fine and high-quality atomization of the Holley Water-Methanol Injection sp..
$38.83 $34.95
This system is designed for use with Holley HP and Dominator EFI systems. It is not a stand-alone sy..
$263.00 $235.95
Holley Water/Methanol injection solenoids (PN’s 557-103, 557-105, & 557-106) are required to be driv..
$388.00 $348.95
Water-Methanol Injection Solenoid/Nozzle 1000cc/min (800HP) Not Sure? Review this product documentat..
$388.00 $348.95
This module is designed to allow any spare PWM output on the Holley HP or Dominator ECU to be used t..
$156.00 $139.95
Is your engine building more than 800 HP or does it require fuel pressures in excess of 65 PSI? ..
$372.00 $333.95
Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Inc..
$308.00 $276.95
Coolant Temperature Sensor for Holley and commander 950 systems Fits coolant passages with 3/8" NPT ..
$51.19 $46.07
The Holley Dual-Sync Distributor for Chevrolet Big Block Tall Deck isn't mandatory for your EFI ins..
$525.00 $471.95
Holley fuel kits are the perfect addition to your Terminator or Holley kit. They are engineered usin..
$1,139.00 $1,024.95
These carburetor hats from Holley fill a desperately-needed void for a well-designed, cost-effective..
$217.00 $194.95
By now you have already figured out that Holley provides unparalleled support for the various GM LS..
$2,899.00 $2,608.95
The Holley die cast aluminum four barrel throttle body is designed to fit on any square bore (4150 s..
$798.00 $717.95
Terminator Throttle Body Injection (TBI) EFI Systems were Holley's original 4150-carburetor replacem..
$3,140.00 $1,928.71
