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Doug Thorley Headers THY-300Y-C GM Truck 1961-87

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Doug Thorley Headers THY-300Y-C GM Truck 1961-87

Create More Horsepower And Torque !!

Doug Thorley Headers THY-300Y-C
1961-1966 Chevy and GMC Truck and Suburban
Automatic Transmission ONLY
Coil Spring Front Suspension ONLY
1973-1987 Chevy Truck, Suburban, Blazer and GMC Jimmy
Manual and Automatic Transmission
2WD/4WD,   SBC,   Tri-Y   Dual Exit
Ceramic Coated Silver

Made in the USA.

 50 State Smog Legal

CARB E.O. # D-540-5 


Availability: In stock

Regular Price: $878.00

Special Price $595.00

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