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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Sniper EFI Self-Tuning Kit + Handheld EFI Monitor Gold # HO550-516Holley Sniper EFI Self Tuning Kit + Handheld EFI Monitor Gold # HO550 516 Fuel Injection System, Holley Sniper EFI, Self Tuning, Tuning Kit, Gold Throttle Body, Kit Fuel Injection Style: Throttle body Fuel Injection System Type: Single 4 Barrel Throttle Body (4150 Flange) Maximum Horsepower with Gas: 650 Timing Control Compatible: Yes Power Adder Compatible: No ECM Included: Yes Self Tuning: Yes User Tunable: Yes Fuel Pump Included: No EGR: No
Holley Sniper EFI Self-Tuning Kit + Handheld EFI Monitor Gold # HO550-516Fuel Injection System, Holley Sniper EFI, Self-Tuning, Tuning Kit, Gold Throttle Body, Kit
Fuel Injection Style:
Throttle body
Fuel Injection System Type:
Single 4-Barrel Throttle Body (4150 Flange)
Maximum Horsepower with Gas:
650
Timing Control Compatible:
Yes
Power Adder Compatible:
No
ECM Included:
Yes
Self Tuning:
Yes
User Tunable:
Yes
Fuel Pump Included:
No
EGR:
No
Transmission Controller Included:
No
Metering Style:
Speed density
Intake Manifold Included:
No
Multi-Port Fuel Rails Included:
No
Throttle Body Included:
Yes
Throttle Body Mounting Flange:
4-barrel square bore
Venturi Quantity:
4
Venturi Diameter (mm):
44.45mm
Airflow Rate (cfm):
800 cfm
Throttle Body Material:
Cast aluminum
Throttle Body Finish:
Gold
Injectors Included:
Yes
Injector Size (lbs/hr):
100 lbs./hr.
Calibration Module Included:
Yes
Wiring Harness Included:
Yes
Oxygen Sensor Included:
Yes
Fuel Pressure Regulator Included:
Yes
Distributor Included:
No
MAP Sensor Included:
Yes
IAT Sensor Included:
Yes
TPS Sensor Included:
Yes
IAC Motor Included:
Yes
Quantity:
Sold as a kit.
Notes:
Kit includes 4 injectors and can support up to 650 hp.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 463 reviews
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Product Reviews
★★★★★ 1
Poor quality
Size: 9, Color: Black/Black, Size: 9, Color: Black/Black
Bottom of shoes after three weeks worn already have a hole in it!
Didn’t expect to have to toss them away so soon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Marc Joseph Shoes
Size: 8.5, Color: Black
Love these shoes. Very comfortable. Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
★★★★★ 5
Nice and comfortable shoes at a good price at a good price
Size: 9, Color: Cognac
Willow made you had a good price, attractive and comfortable a attractive and comfortable at a good price
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Reviewed in the United States on June 5, 2025
★★★★★ 5
Good buy, great fit!
Size: 12, Color: White
Very satisfied with the fit, style, and quality of these shoes. Usually scared to buy shoes online due to the sizing issues or difficulty. These were no sweat. Good delivery as well.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Buy them!
Size: 8.5, Color: Black
Great fit, very comfortable and they look great. Highly recommend
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Reviewed in the United States on June 9, 2026