Adapter Rod Tool 91-865086

Holds the measuring tools for shimming the driveshaft housing

COVER Mercruiser 850862T02

COVER-BLACK-STBD Mercruiser 850863F2

Holley Super Sniper Quadrajet EFI Kit - Shiny, Black Ceramic or Classic Gold

Are you tired of rebuilding the 50+ year old Rochester™ Quadrajet® (Q-Jet™) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? The Sniper EFI Quadrajet™ is here to help! The first bolt-on spreadbore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps! The Sniper EFI Rochester Quadrajet™ (Q-Jet) system retains the same great features as the 4150 Sniper EFI version such as; four 100lb/hr Injectors, built-in timing control, a 3.5" full-color touchscreen, and much more! This throttle body will support up to 500 horsepower naturally aspirated. In addition to all of these great tried and true features, the Sniper EFI Rochester Quadrajet™ (Q-Jet) system will fit most stock air cleaners and offers multiple fuel inlet configurations that allow for a stock appearing installation!

When it comes to converting to EFI, Sniper is the absolute best way to upgrade your car to fuel injection with just 4 simple connections required. Sniper is designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. After the simple installation it's time to let your Sniper begin the self-tuning process. Our user-friendly calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays.

Sniper EFI is part of a complete ecosystem! Your new Sniper kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build. Complete your fuel injection journey by checking out our full offer of ignition, fueling and accessories!

• Fits most stock Rochester Quadrajet™ (Q-Jet) air cleaners
• Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
• 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!
• Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
• High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
• Supports up to 500hp with Four 100 Lb/Hr Injectors!
• Throttle body mounted ECU – no extra boxes to mount
• Designed to deliver the signature Rochester Roar at Wide Open Throttle!
• Integrated ignition timing control
• Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
• Brake Booster adapter included, if required
• Universal Throttle and transmission kickdown bracket included
• 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
• Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
• A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
• Requires external fuel pressure regulator, such as: 12-886 or 12-879

Thermostat 143 Deg -BRP #435491

Replaces: 393659,
434841
378065
508626, 5005440, Application: 143°- 40-250hp E-tech, 6-55hp, CrossV4,V6,
9.9 4troke(1994-01), 15 4Stroke (1994-01)

Sold: Each

Additional Details:

• Temperature Rating: 143°F

Use With:

• 18-3673: Thermostat Kit (V4 Crossflow)
• 18-3673D: Thermostat Kit (Display Pack)
• 18-3674: Thermostat Kit (V6 Crossflow)
• 18-3674D: Thermostat Kit (Display Pack)

Interchanges/Replaces

Johnson/Evinrude Outboard

• 378065
• 393659
• 434841
• 437414
• 5005440
• 508626

Use With:

• 18-3543: Thermostat

Interchanges/Replaces

GLM

• 13270

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0675	GLM 34440 Johnson/Evinrude Outboard 321932	2	Thermostat Gasket		N/A
18-0977	GLM 33650 Johnson/Evinrude Outboard 321897 332369 Mallory 9-60448	2	Thermostat Gasket		N/A
18-2391	GLM 86481 Johnson/Evinrude Outboard 321692	2	Grommet (V4 Crossflow)		N/A
18-3564	GLM 46170 Johnson/Evinrude Outboard 318395	2	Poppet Relief Valve (V4 Crossflow)		N/A
18-1243	GLM 46150 Johnson/Evinrude Outboard 317245	2	Valve Spring (V4/V6 Crossflow)		N/A
18-3543	Johnson/Evinrude Outboard 378065 393659 434841 437414 5005440 508626	2	Thermostat		N/A