SKU: 16971892307

Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection System # HO550-869K

Sale price$1507.50 Regular price$1675.00
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection System # HO550-869KHolley Sniper EFI Quadrajet Self Tuning Fuel Injection System # HO550 869K Features: Designed to deliver the signature Rochester Roar at Wide Open Throttle! Throttle body mounted ECU no extra boxes to mount Supports up to 500hp with Four 100 Lb Hr Injectors! Only 4 Wiring Connections Required! (Battery +, Battery , Switched Ignition RPM) Integrated ignition timing control Transmission provisions on throttle lever for TH350 TH400 and 200R4 700R4 Fits

Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection System # HO550-869K
Features:
Designed to deliver the signature Rochester Roar at Wide Open Throttle!
Throttle body mounted ECU no extra boxes to mount
Supports up to 500hp with Four 100 Lb/Hr Injectors!
Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition RPM)
Integrated ignition timing control
Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
Fits most stock Rochester Quadrajet (Q-Jet) air cleaners
Brake Booster adapter included, if required
Universal Throttle and transmission kickdown bracket included
High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
Simple Calibration Wizard (Answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
Complete fuel system includes external fuel pressure regulator preset to 58.5psi, 20ft of 3/8 Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI!
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
OEM Style Throttle Position Senser (TPS)/ and Idle Air Control (IAC) for years of dependable service.
Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
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: 16971892307

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4.7 ★★★★★
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SC
Carnegie, US
★★★★★ 5
Nice looking and durable
Size: 8.5" x 5.8" x 1.9", Color: Black
I bought this for my little nephew to put his rocks in and out and to keep them in. It’s perfect and durable.
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Reviewed in the United States on January 12, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Perfect size
Size: 8.5" x 5.8" x 1.9", Color: Black, Size: 8.5" x 5.8" x 1.9", Color: Black
Love the look of leather and metal together.
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Reviewed in the United States on April 30, 2026
C
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ct13
Lake Worth, US
★★★★★ 4
Handy small tray
Size: 8.5" x 5.8" x 1.9", Color: Black, Size: 8.5" x 5.8" x 1.9", Color: Black
This tray fits a small side table well. It holds a few remotes and has nice details.
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Reviewed in the United States on August 18, 2025
D
Verified Purchase
DCB
Lexington, US
★★★★★ 5
Valet Tray
Size: 8.5" x 5.8" x 1.9", Color: Black
Perfect!
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Reviewed in the United States on April 7, 2026
J
Verified Purchase
Joseph Klobuchar
Birmingham, US
★★★★★ 5
Just lovely
Size: 8.5" x 5.8" x 1.9", Color: Orange
Purchased this several months ago and liked it, but I had received so many complements on this tray since then I had to submit this review. The tray is sturdy and put together well, and the size is exactly what was given before purchase.
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Reviewed in the United States on May 27, 2026

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