Radium Oil Cap Gm

Radium Engineering GM Oil cap Replaces factory oil cap on many GM LS engines Plug can be removed and accessories can be added to convert the cap to a crankcase breather point.

Anodized aluminum billet oil cap for many General Motors vehicles. 
There are 2 different oil cap styles used on LS-based engines.
This oil cap has special features that consolidate the differences.
The top 7/8"-14 threaded port accepts 10AN ORB adapter fittings. Furthermore, it features internal stainless steel baffling that can be used for crankcase venting air/oil separation.

Confirmed Engine Compatibility:
LS1, LS2, LS3, LS4, LS6, LS7, LS9, LSA, L76, L99, L9H, LT1, LT2, LT4
NOTE: there are other compatible engines not listed.

Optionally, the center 10AN ORB plug can be unscrewed and removed. Underneath is a cleanable and reusable stainless steel baffle for air/oil separation