If your engine has multiple valve-cover or crankcase breather lines, the BOOST Products DCV800 gives you enough ports and capacity to build the system the way you want it. The 0.8-liter can has four -12 AN inlets and two -12 AN outlets, so you are not trying to route everything through a small two-port catch can.
Inside the can, a baffle plate and stainless-steel wool help separate oil from the crankcase vapor before it reaches the outlet side. The collected oil stays in the tank instead of getting pulled back through the intake, turbo inlet or intercooler piping.
Application Information
- Custom crankcase ventilation and oil catch can systems
- Turbocharged and supercharged engine builds
- Engines with multiple valve-cover or crankcase breather connections
- Street, circuit, drag racing and motorsport applications
- Open or closed crankcase ventilation systems using -12 AN plumbing
Fitment Notes
- This is a build-specific component and is not made for one particular vehicle
- Confirm available engine-bay space and the mounting location before ordering
- Plan the number of inlets, outlets and unused ports before purchasing fittings
- Requires custom -12 AN hose, hose ends and engine connections
- Custom mounting hardware or a fabricated bracket will be required
- Open vent-to-atmosphere and closed recirculating systems require different fittings and routing
Specs & Features
- 0.8-liter capacity
- Approximately 27 fluid ounces or 0.85 quart
- Four -12 AN inlet ports
- Two -12 AN outlet ports
- 1/8-inch NPT drain port on the bottom
- Internal baffle plate helps keep collected oil away from the outlets
- Stainless-steel wool helps separate oil from crankcase vapor
- Integrated dipstick for checking the oil level
- Two integrated M8 mounting points
- Fully serviceable and can be disassembled for cleaning
- Matte black anodized finish
- Replacement internal parts are available separately from BOOST Products
- BOOST Products part number CC-OIL-01
Single Can Version
This listing is for the DCV800 catch can by itself. It is the right option when you already know how you want to plumb the system and would rather choose every fitting, plug and vent connection separately.
The CC-OIL-01 single-can version does not include -12 AN port plugs, the 1/8-inch NPT drain plug, an atmospheric vent trumpet, hoses, hose ends, a mounting bracket or mounting hardware.
Open or Closed Catch Can Setup
The DCV800 can be used in a closed system that routes the cleaned crankcase vapor back into the intake, or it can be set up to vent to atmosphere. A closed setup is normally the better choice for a street car because it keeps the crankcase system sealed and avoids the smell that can come from an open breather system.
A vent-to-atmosphere setup is more common on dedicated track and drag builds. Check the rules for your area and racing organization before deciding how to route the outlets.
Installation Notes
- Mount the can upright where the dipstick and drain can still be reached
- Keep the catch can away from exhaust heat and moving engine components
- Use properly sized -12 AN hose and fittings throughout the system
- Cap every unused inlet or outlet with the correct plug
- Do not reduce the breather lines without confirming the engine's crankcase ventilation requirements
- Check and empty the catch can regularly, especially in cold weather or after track use
- Clean the internal baffle and stainless-steel wool as part of normal catch can service
What Is Included
- One BOOST Products DCV800 oil catch can
- Integrated internal baffle and stainless-steel separation media
- Integrated dipstick
Pairs Well With
- BOOST Products DCV800 Oil Catch Can Kit CC-OIL-02 - Prefer to start with the matching port plugs, drain plug and atmospheric trumpet? The CC-OIL-02 version packages those parts with the same DCV800 catch can.
- BOOST Products Inline Turbo Oil Feed Filter Kit - Add serviceable filtration to a custom turbo oil-feed line while building the rest of the engine's oil and crankcase plumbing.
- BOOST Products Thermostatic Oil Filter Sandwich Plate - A useful starting point when the same build also needs external oil-cooler lines and additional oil temperature or pressure sensor ports.
About BOOST Products
BOOST Products makes plumbing, fabrication, oil-system and heat-management parts for custom street and motorsport builds. Its fittings, hoses and engine-support components let you build a system around the engine and available space instead of relying on a vehicle-specific layout.

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