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Doug Thorley Headers

Doug Thorley Headers

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."

Products

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1955-57 Chevy Belair Hi-Performance Small Block Headers
1955-57 Chevy Belair Hi-Performance Small Block Headers

 NOW Available, Hi-Performance Tri-Y Headers for 1955-57 Chevy w/ small block Chevy engine

$619.99
1961-66 Chevy C10 Long Tube Hi-Performance Headers
1961-66 Chevy C10 Long Tube Hi-Performance Headers

NOW Available! Hi-Performance Long Tube Headers for 1961-66 Chevy C10 Trucks.

$659.99
1961-66 Chevy C10 LS Conversion Headers
1961-66 Chevy C10 LS Conversion Headers

NOW Available! Hi-Performance LS Conversion Headers for 1961-66 Chevy C10 Trucks.

$674.99
1964-68 Ford Mustang Small Block Tri-Y Headers
1964-68 Ford Mustang Small Block Tri-Y Headers

Hi-Performance Headers NOW Available for 1964-66 small block Ford Mustangs

$674.99
1966-78 Ford Mustang Small Block Shortie Headers
1966-78 Ford Mustang Small Block Shortie Headers

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

$639.99
1967-69 Camaro / Z28 Hi-Perfromance Headers. 265-400 SBC
1967-69 Camaro / Z28 Hi-Perfromance Headers. 265-400 SBC

Hi-Performance Long Tube Tri-Y Headers for 1967-69 Camaro  265-400 Small Block only

$658.99
1967-87 Chevy C10 LS Conversion Headers
1967-87 Chevy C10 LS Conversion Headers

Hi-Performance LS Conversion Headers NOW Available for 1967-87 Chevy C10 Trucks.

$674.99
1970-73 Ford Mustang Long Tube Headers - 351-400
1970-73 Ford Mustang Long Tube Headers - 351-400

Hi-Performance Long Tube Headers Available for 1970-73 Mustang, 1970-74 Fairlane / Ranchero / Torino, 351C-400M (2 valve heads)

$664.99
Chevelle, Camaro, Nova Hi-Performance Big Block Headers
Chevelle, Camaro, Nova Hi-Performance Big Block Headers

Hi-Performance Long Tube Headers for 1968-74 Chevelle, 1967-74 Camaro & 1968-74 Nova.  396-454 Big Block only

$609.99
Chevelle, Camaro, Nova Hi-Performance Small Block Headers
Chevelle, Camaro, Nova Hi-Performance Small Block Headers

Hi-Performance Long Tube Headers for 1968-78 Chevelle, 1970-74 Camaro & 1968-74 Nova.  265-400 Small Block only

$664.99
Universal LS Hi-Performance Center Dump Headers, 4.8L - 6.2L
Universal LS Hi-Performance Center Dump Headers, 4.8L - 6.2L

Hi-Performance LS engine block hugger, center dump headers.  4.8L - 6.2L

$464.99
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