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Doug Thorley Headers

"Driven by a passion for performance and superior quality, we are committed to developing 100% American-made products that will reliably deliver maximum horsepower and torque."

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1955-57 Chevy Belair Hi-Performance Small Block Headers

Hi-Performance Tri-Y Doug Thorley Headers for 1955-57 Chevy w/ small block Chevy engine

$748.00

1955-57 Chevy Belair LS Swap Doug Thorley Headers

Hi-Performance Doug Thorley Tri-Y Headers for 1955-57 Chevy w/ LS engine swap

$723.00

1961-66 Chevrolet C &K -Series Trucks / Suburban 396-502 Big Block V8 Motor Swap

1961-66 Chevrolet, GMC Truck 396-502 Big Block Chevy Swap Tri-Y Headers

$727.00

1961-66 Chevy C10 Long Tube Hi-Performance Headers

Hi-Performance Long Tube Doug Thorley Headers for 1961-66 Chevy C10 Trucks.

$750.00

1961-66 Chevy C10 LS Conversion Headers

Hi-Performance LS Conversion Doug Thorley Headers for 1961-66 Chevy C10 Trucks.

$703.00

1962-67 Chevy II, Nova LS Swap Tri-Y Headers

Hi-Performance Doug Thorley Headers for 1962-67 Nova Mustang II front clip and LS swap.

$666.00

1964-67 Chevy Chevelle LS Swap Mid Length Headers

Hi-Performance mid length 4 into 1 Doug Thorley Headers for 19564-67 Chevelle with LS swap.

$598.00

1964-68 Ford Mustang Small Block Tri-Y Headers

Doug Thorley Headers Available for 1964-66 small block Ford Mustangs

$767.00

1966-78 Ford Mustang Small Block Shortie Headers

Hi-Performance Shortie Doug Thorley Headers. Available for 1966-78 small block Mustang / Galaxie / Fairlane / Ranchero / Torino / Maverick / Cougar, 260-302W

$730.00