Holley EFI 550-903 Fuel Injection System
- Brand:
- HOLLEY EFI
- Model Number:
- 550-903
- UPC:
- 090127060797
- EAN:
- 0090127060797
- Walmart SKU:
- 749911047
Key Takeaway
Market direction turned upward recently with current $1,499.95 representing 3.5% over standard pricing.
Third-Party Seller Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$1,499.95 | |
|
Lowest Price
|
$1,301.95 | |
|
Most Recent Price
|
$1,499.95 |
- Average Price
- $1,391.35
- First Tracked
- Last Update
Walmart.com Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$1,499.95 | |
|
Lowest Price
|
$1,303.95 | |
|
Most Recent Price
|
$1,499.95 |
- Average Price
- $1,430.55
- First Tracked
- Last Update
Price Analysis
Tracking History: We have tracked Holley EFI 550-903 Fuel Injection System since 12/14/2025. The most recent price update was on May 9, 2026.
Price Range: Over the past 90 days, the price has ranged from $1,303.95 (lowest on 12/14/2025) to $1,499.95 (highest on 2/8/2026). The average price during this period is $1,430.55.
Current Trend: Walmart.com prices have ranged from $1,348.95 (Apr 13) to $1,499.95 (May 8) over the past 90 days. Current price is close to the 90-day average of $1,449.62.
Customer Insights: Rated 5.0/5 from 3 reviews.
Customer Reviews
3 reviewsCustomer Reviews
5.0
Based on 3 reviews
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Showing 3 of 3 reviews
Holden gm powered
Just received this pnp Holley ecu in New Zealand via USA, it looks great, no damage and I think it will do the job on my factory gen111 ls v8 car just fine.
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Quality wiring harness and easy to program
This is my second Holley system this year and I love them ; usually use reliable ,very smart, and great diagnostics using the included 3.5 inch screen where you can pretty much do anything
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Awesome product
Got this product for the ease of tuning a twin turbo ls. Still trying to get the bugs worked out of the truck.
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Price History
Recent Price Changes
Detailed price history for the past 90 days
Walmart.com Pricing
3 recordsWalmart.com prices have ranged from $1,348.95 (Apr 13) to $1,499.95 (May 8) over the past 90 days. Current price is close to the 90-day average of $1,449.62.
| Date | Price | Change | % Change |
|---|---|---|---|
| $1,499.95 | $+0.00 | +0.0% | |
| $1,499.95 | $+151.00 | +11.2% | |
| $1,348.95 | — | — |
Third-Party Seller Pricing
1 recordsThird-Party Sellers prices have ranged from $1,499.95 (Jun 23) to $1,499.95 (Jun 23) over the past 90 days. Current price is close to the 90-day average of $1,499.95.
| Date | Price | Change | % Change |
|---|---|---|---|
| $1,499.95 | — | — |