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551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S
551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S 551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S 551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S 551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S 551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

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Product details

Management number 214230880 Release Date 2026/04/12 List Price US$21.20 Model Number 214230880
Category
  1. Automotive
  2. Replacement Parts
  3. Engines & Engine Parts
  4. Engine Parts
  5. Intake Manifolds & Parts
  6. Intake Manifolds
  • Replace Part Number: 551316, EM-1021-S. Packages Includes: 10PCS Bolt, 10PCS O-Ring, 2PCS Adapter Plates
  • Applicability: 551316 intake manifold adapter plates compatible with LS3 LSA ZL1 CTS-V Rectangle Port Intake Manifold Adapter. The rectangle port intake manifold adapter applies to any cathedra port heads and will adapter to any rectangular port intake, supercharger or blower. Not fit raised port LS7 intakes
  • High Quality: Manufactured from Aluminum and Stainless Steel materials with high-strength and sturdy performance. The intake manifold is directly connected to the engine head, our intake manifold material can withstand high temperature, which ensures long-term reliability of the manifold
  • Enhance Intake Efficiency: Smooth inner walls and equal-length airways reduce airflow resistance, ensuring more uniform intake, promoting complete combustion, and indirectly boosting power while reducing fuel consumption
  • Easy Installation: Accurately designed according to the original parameters of the car, the interface, the size of the exact match, interface precision machining, with sealing design, airtight, direct replacement without modification, compatible with the corresponding engine model

Brand AotoParts
Color Silver
Model EM-1021-S
Metal Type Stainless Steel
Unit Count 1.0 Count
Part Number EM-1021-S
Thread Size 1-1/2"-8
Manufacturer AotoParts
Thread Style Right Hand
Fastener Type bolts
Material Type Aluminum, Stainless Steel
Exterior Finish Machined
Item Dimensions 17 x 9 x 1.5 inches
Thread Coverage Unthreaded
Number of Pieces 22
Screw Head Style Flat
Manufacturer Grade High Quality

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

551316 Rectangle Intake Manifold Adapter Plates Compatible with LS Catherdral Port Cylinder Head to LS3 LSA ZL1 CTS-V LS1, Replace OE EM-1021-S

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