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

Manufacturer: General Motors

Part # 12599296

Interchange Part # 12610141, 12570471

Note:

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

This valley cover was removed from a brand new vehicle which had performance modifications added. 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.