• Send it Auto Parts OEM GM LS engine valley cover block off plate for Gen III to Gen IV conversions and DOD deletes.
  • Send it Auto Parts OEM GM LS engine valley cover block off plate with 3/8 inch breather hose fitting
  • Send it Auto Parts OEM GM LS engine valley cover block off plate with 3/8 inch breather hose fitting
  • Send it Auto Parts OEM GM 12599296 LS engine valley cover block off plate with metallic finish
  • Send it Auto Parts OEM GM LS engine valley cover block off plate with breather hose fitting for LS conversions
  • Send it Auto Parts OEM GM LS engine valley cover block off plate with black breather for Gen III to IV conversions
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LS2 LS3 LS7 LSX Performance Engine Valley Cover Block Off OEM GM 12599296

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

$190.00
$190.00
Sale Sold out

Free shipping within the Continental USA

1 in stock

Manufacturer: General Motors

Part # 12599296

  • Removed from a brand new crate engine.
  • Hose size for the breather is: 3/8" 
  • Popular for Gen III to Gen IV LS conversions. And DOD Delete's.
  • OEM, Not an aftermarket replacement.
  • Please compare to your original to ensure this is the proper part you are needing. 
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