Hedman Street Headers - 1.75 in Primary - Stock Collector Flange - Uncoated - Big Block Chevy - GM Fullsize SUV / Truck 2001-06 - Pair H778001XS 351W) Swivel Thermostat Housing 1-1/2"

351W) Swivel Thermostat Housing 1-1/2" Hose Connection

Chevrolet: C30 Pickup 66 - 67

Billet aluminum neck looks good and provides a positive seal

1990-1991 Chevrolet Lumina APV

Hedman Street Headers - 1.75 in Primary - Stock Collector Flange - Uncoated - Big Block Chevy - GM Fullsize SUV / Truck 2001-06 - Pair H778001XS 351W) Swivel Thermostat Housing 1-1/2"Hedman Hedders Stainless Headers; 1 3 4" Tube Diameter; Stock Collector; Shorty Design Hedman Hedders Elite Hedders Exhaust Header 62700 Tube Size 1. 75 in. Stock Collector Tubular Exhaust Manifold System Ultra Duty 14 Gauge Primary Tubes Ceramic Metallic Coating Stands Temp. Up To 1400 F Durable 3 8 in. Flanges Prevent Warping And Stands Up Better Against Brutal Punishment Durable And Affordable Hedman Hedders has been manufacturing quality headers