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Holley | Holley EFI GPS Speedometer
553-121
Holley 553-121 – EFI GPS Speedometer 4.5 in. | 0-160 mph | Black Face | Digital Odometer | Holley ECU Compatible
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CAD $927.36
CAD $1,091.01
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Holley – EFI GPS Speedometer
Description
The Holley 553-121 is a 4.5 in. analog GPS speedometer designed for Holley EFI systems or standalone use. Compatible with all Holley Terminator, HP, Dominator, and Sniper ECUs. No transmission sensor required — GPS connection has the speedometer working in 2–3 seconds of start. The multifunction screen displays 1/4 mile time, 0–60 time, speed, mileage, and odometer. The 240-degree sweep red pointer on a black face ensures quick readability. The included GPS antenna features a 15 in. cable. Machined billet aluminum bezel is threaded for easy replacement with separately available bezel options.
Specifications
- Brand: Holley
- Part Number: 553-121
- Type: GPS Speedometer
- Size: 4.5 in. (4.500 in.)
- Range: 0–160 mph
- Lighting: White LCD
- Pointer Color: Red
- Face Color: Black
- Bezel Color: Black
- Connection: GPS (15 in. Antenna Included)
- Compatible: Holley Terminator, HP, Dominator, Sniper ECUs
- See Application Section
- Condition: New
- Sold by GBP Performance
Note:
- Livraison GRATUITE / FREE Delivery
Compatibility (Application)
| Make | Model | Years | Engine | Notes |
|---|---|---|---|---|
| – | – | – | – | Not vehicle specific – compatible with Holley EFI ECUs (Terminator, HP, Dominator, Sniper) |
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