The BOOST Products OF-M22-BM sandwich plate adds a thermostatic oil-cooler connection, -10 AN adapter options, and two 1/8-inch NPT sensor ports in one compact black-anodized billet aluminum assembly.
Compatibility Information
- For custom oil-cooler installations using an oil-filter mounting location with M20x1.5 or 3/4-16 UNF compatibility
- Confirm oil-filter thread, available clearance around the filter, cooler-line routing, and vehicle-specific oil-system requirements before ordering
Compatibility Note
This is a build-specific oil-cooling component, not a vehicle-specific kit. The included extension screws cover M20x1.5 and 3/4-16 UNF oil-filter connections, but the installer must verify the engine's oil-filter mounting arrangement and clearance before installation.
Specs and Features
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Sandwich Plate
- BOOST Products billet aluminum oil-filter sandwich plate
- Manufacturer part number: OF-M22-BM
- Matte black anodized finish
- Integrated 82°C, 175°F thermostat
- UPC: 4250815852615
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Oil-Cooler Ports
- Two M22x1.5 female ports
- Two -8 AN / Dash 8 ORB female ports, positioned at 45 degrees
- Two 1/8-inch NPT female sensor ports, one on each side
- Sensor ports can be used for compatible oil-temperature or oil-pressure senders
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Thermostat Operation
- Starts opening at 82°C, 175°F
- BOOST Products states that approximately 1% of oil circulates through the cooler circuit while the thermostat is closed
- Opens progressively to allow full oil-cooler flow at operating temperature
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Included Hardware
- Oil-filter sandwich adapter plate
- Two M22x1.5 ORB male to -10 AN male adapters
- Two -8 AN ORB male to -10 AN male adapters
- Two -8 AN ORB plugs
- Two M22x1.5 ORB plugs
- Two 1/8-inch NPT plugs
- One M20x1.5 oil-filter extension screw
- One 3/4-16 UNF oil-filter extension screw
Product Description
The BOOST Products OF-M22-BM makes it easier to add an external oil cooler without giving up a clean, serviceable layout around the oil filter. Its integrated 82°C thermostat keeps most oil out of the cooler circuit while the engine is cold, then progressively sends more oil through the cooler as temperature rises.
The plate gives you multiple routing options with M22x1.5 ports and angled -8 AN ORB ports, while the included adapters convert either route to -10 AN. Two 1/8-inch NPT ports also provide a convenient place to install compatible oil-pressure or oil-temperature sensors without adding another adapter to the system.
Before You Buy
Confirm the oil-filter thread and clearance before ordering. A sandwich plate changes the installed length at the filter location, so check for interference with the subframe, exhaust, steering components, or body panels. Use PTFE thread-sealing tape on 1/8-inch NPT connections as specified by BOOST Products. Select fittings, hose, cooler size, and mounting hardware around your engine, available space, and intended use.
Related Oil-Cooling Components
- CSF 8-row dual-pass oil cooler - A compact cooler-core option for a custom oil-cooling system.
- Vibrant 6 x 10 x 2-inch oil cooler core - A larger core option for builds with room for more cooling surface.
- Vibrant 4 x 10 x 1.25-inch oil cooler core - A compact oil-cooler core for tighter mounting locations.
About BOOST Products
BOOST Products builds motorsport-focused plumbing, fittings, adapters, gauges, and fabrication components. Its oil-system hardware is designed for custom performance builds that need flexible routing, durable materials, and serviceable connections.

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