SKU: 84474043612

Holley Sniper EFI Self-Tuning Kit + Handheld EFI Monitor Gold # HO550-516

Sale price$855.00 Regular price$950.00
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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 # HO550-516
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
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:
  1. 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
SKU: 84474043612

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4.2 ★★★★★
Based on 30 reviews
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Product Reviews
J
Verified Purchase
JS
Alexandria, US
★★★★★ 5
Great size and thickness! Perfect combination!
After using this product for a year I absolutely love it. I love the extra size. I am 6'1" It is a nice thickness without compromising support and balance like some that have too much cushion. It has been durable and the carrying strap has been easy to use. It is a nice color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
J
Verified Purchase
Jen
Charlottesville, US
★★★★★ 5
Comfortable yoga mat
Color: Blue Mist, Style: 1/2 inch, Color: Blue Mist, Style: 1/2 inch
I was due for a new yoga mat as I practice every day anywhere from 10 minutes to 45 minutes. Over the years I've taken to liking the 1/2" thick mats with the grip lines. They're just easier on the joints (two acl reconstructions and a spinal fusion from T2 to L2) and a plate in my wrist. This mat is great. I like the design and color, the thickness is perfect, no smell AT ALL which is both rare and awesome. I used it today and found it comfortable. I also like the 72" length because I'm about 5'9 so I'm not hanging off the mat. I've been practicing yoga for over 15 years and have my CYT 200 even though I don't teach, and I would highly recommend this mat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
S
Verified Purchase
Sara
West Palm Beach, US
★★★★★ 5
Thick/Fluffy
Color: Violet Haze, Style: 1/2 inch
I’ve really been enjoying this yoga mat. It’s fluffy and thick, which gives great support for my knees during certain poses and stretches. The length is also perfect, especially for someone on the taller side. I chose the light purple color, and it matches the pictures perfectly. As someone who practices yoga regularly and also uses it for stretching in my home gym, I think this mat is a great choice for both comfort and support.
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Reviewed in the United States on May 28, 2026
J
Verified Purchase
Julia
Pawtucket, US
★★★★★ 5
Great for hand pain while working out.
Color: Wild Spruce, Style: 1/2 inch
Not squeaky, non slip. Much thicker and comfier than a normal yoga mat. Only thing is wearing sneakers on it, it might give you some more squeak. Just wipe down with a wet wipe after class. Keep it in my car. Purple color is perfect- muted yet a statement. Goes with all my clothes/towels.
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Reviewed in the United States on May 9, 2026
M
Verified Purchase
Mariia Vetchynova
Phoenix, US
★★★★★ 4
Lightweight yoga mat
Color: Rose, Style: 1/2 inch
The yoga mat is not one of those heavy-duty ones. It’s quite light, but it tends to crease easily and takes a long time to return to its original shape after being rolled or folded.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026

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