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Holley Closed Loop Kits for Pro-Jection Systems 534-54

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Closed Loop Kit (1-2-Barrel Digital Pro-Jection), Kit

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  • Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Brand: Holley
Manufacturer's Part Number: 534-54
Summit Racing Part Number: HLY-534-54

UPC: 090127417638
Oxygen Sensor Included: Yes
Oxygen Sensor Bung Included: Yes
Wiring Harness Included: Yes
Quantity: Sold as a kit.
Notes: Does not include closed loop control box.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These kits are designed to work with 1 barrel, 2 barrel, and 4 barrel Pro-Jection, and are available for analog or digital systems. Thy include a wiring harness, oxygen sensor, and connections.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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