LS2 LS3 LS7 LSX Performance Engine Valley Cover Block off OEM GM 12599296

Manufacturer: General Motors

Part # 12599296

Note:

• Hose size for the breather is: 3/8" 
• Popular for Gen III to Gen IV LS conversions. And DOD Delete's.

This part was removed from a brand new crate engine which was modified for a high performance build. As a result, it no longer needed the OEM Factory Parts. Parts are in LIKE NEW condition with minimal evidence of use. OEM, Not an aftermarket replacement.

Please compare to your original to ensure this is the proper part you are needing.