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- Doug's Headers D303Y-SP 1 3/4" Tri-Y Header Chevrolet Truck with Single Smog Pump Fitting Big Block Chevrolet 68-87 Metallic Ceramic Coating
- 3/8" thick flanges... no warping; CNC mandrel bent tubes... accurate fit & better flow; Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower; Heavy 16 gauge tubing... longer life; Tubes are pre-polished to remove scratches and the header is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster app
The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1966
Part TypeHeader
BrandDOUG'S HEADERS
Package Height10.0
Package Width20.0
Package Length38.0
Weight35.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Primary Tube Outside Diameter1.75 in (44.45 mm)
Vendor Part NumberD303Y-SP
Package Qty1
Package TypeEA
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