Doug's Headers

D371YR

Doug's Headers D371Y-R 1-5/8 Tri-Y Exhaust Header for Small Block Chevrolet 67-72

EAN: 0694342509279

UPC: 694342509279

Headers

Thick flanges (3/8 inch to 5/8 inch) with no warping
CNC mandrel bent tubes for an accurate fit and a better flow
Precision formed long transition collectors that reduces backpressure
Heavy gauge tubing (16 and 14G) for longer life
Header tubes are pre-polished better appearance

Doug's 2WD Truck Headers Header development and design is complex and requires a substantial amount of time and resources to do the job right! Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

I LOVE JOTA Metal Auto Accessories Tag Holder License Plate Frame
TH400 Turbo Transmission Connector Prong 34329A
Mix me 738