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For Use With Chevy 396-454 Cubic Inch Engines; Round Ports; 2-1/4 Inch Diameter

Fabrication Components - Oval Port; For Honda K24 Motors Honda Civic Si; Stainless Steel; 3/8 Inch Thick; Single

Fabrication Components - Round Port; For Audi 2.7 Turbo; Stainless Steel; 3/8 Inch Thick; Single

Fabrication Components - Oval Ports; For Porsche 996 Motor; Stainless Steel; 3/8 Inch Thick; Set of 2

For Use With GM LT1 Engines; D Ports; Standard Wall Tubing; Stainless Steel; 3/8 Inch Thick; Without Stubs; Set of 2

Fabrication Components - Round Ports; For Use With GM LS1/ LS2/ LS3/ LS6/ LS9 Engines; Stainless Steel; 3/8 Inch Thick; Without Stubs; Set of 2

Oval Ports; For Use With Honda/Acura B-Series Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Square Ports With Rounded Corners; For Use With Nissan KA24 Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Honda D-Series Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Honda F20C Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Honda H22-Series Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Honda/Acura K-Series Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Mitsubishi 4G63 Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Oval Ports; For Use With Nissan RB25/RB26 Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Round Ports; For Use With Volkswagen/Audi 1.8T Motor; Stainless Steel; 3/8 Inch Thick; Without Stubs; Single

Fabrication Components - Oval Port; For Honda K24 Motors Honda Civic Si; Stainless Steel; 1/2 Inch Thick; Single

Fabrication Components - For VW 2.5L 5 Cylinder From 2005 On; 1/2 Inch Thick; Mild Steel

Fabrication Components - For Porsche 930/911 Motor; 3/8 Inch Thick; Stainless Steel