V2 Quick Connect fittings are found on many OEM vehicles including BMW, VW, Audi, Lamborghini, Ford, etc. These Radium Engineering fittings adapt many crankcase ventilation connectors to 10AN male. They are primarily used for air/oil separation catch cans.
20-0748 V2 QUICK CONNECT, 19MM MALE TO 10AN MALE 90DEG
This secures directly to the following valve covers: Audi R8, Lamborghini Huracan, Lamborghini Gallardo (shown below).
It is also compatible with the BMW Z4 and Toyota MK5 Supra (shown below). 
Because it is 90 degree, it is perfect for 2nd generation BVMW B58TU valve covers which have a vertical port, as shown below. Internal O-rings permit swiveling even after installation.
Engine Compatibility
-B58B30O1 (B58B30B)
-B58B30M1 (B58B30C)
-Audi/Lamborghini 5.2L V10
Machined from 6061 billet aluminum. For corrosion protection, they are anodized type-II. Stainless steel bolts are provided for securing the green retainer.
20-0758 V2 QUICK CONNECT, 19MM MALE TO 10AN MALE STRAIGHT
This secures directly to many BMW valve covers. Because it is straight, it is perfect for 1st generation BMW B58B30M0 (B58B30A) valve covers that have a horizontal port, as shown below. 
Machined from 6061 billet aluminum. For corrosion protection, they are anodized type-II. Stainless steel bolts are provided for securing the green retainer.
20-0531 V2 QUICK CONNECT, 19MM FEMALE AND 19MM MALE TO 10AN MALE
This kit adapts both sides of the OEM PCV connection to 10AN male for the following vehicles.
Engine Compatibility
-BMW 135i/335i/535i/740i (N54)
-BMW 325i/330i/525i/530i/X3/Z3/Z4 (M54)
-Ford Fiesta ST/Focus/Escape/Fusion (1.6L EcoBoost)
*These adapters are compatible with many engines not listed. 
Machined from 6061 billet aluminum. For corrosion protection, they are anodized type-II. 
Stainless steel bolts are provided for securing the green retainer. An oil resistant Buna-N O-ring is used for sealing.
