Holley EFI 534-117 MPI, AUTO, EPROM DISKS SERV PT

Holley EFI
HOL534-117
Heads up — this is a Special Order item. We don't carry it on the shelf, but we can bring it in for you! Lead times vary and can be 10 weeks or more depending on the manufacturer. Give us a call or send us a message so we can check current availability and walk you through your options before you commit to an order.
$250.25
$250.25
$250.25

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Holley EFI 534-117 MPI, AUTO, EPROM DISKS SERV PT

Vendor: Holley EFI

Holley EFI 534-117 MPI, AUTO, EPROM DISKS SERV PT

$250.25

Vendor: Holley EFI

Holley EFI 534-117 MPI, AUTO, EPROM DISKS SERV PT

$250.25
Pro-Jection; 4 DI MPFI w/E-Prom;
Pro-Jection D electronics contain a basic performance fuel curve that has a wide range of adjustability. D electronics monitor engines RPM and processes a stream of information inputs from the throttle position and engine temperature sensors. From these inputs the D system automatically changes, adjusts and modifies the fuel delivery to maintain the fuel curve. Further refinement of the fuel curve is possible by adjusting the knobs on the ECU. The payoff for all this electronic capability is excellent start up, driveability, power and economy. D Pro-jection is designed to be used on stock, or mildly modified engines with at least 15-inch vacuum at idle (A/T idling in gear).
  • E-Prom Chip