Thorley headers 73-87 CHEVY / GMC Tri Y
Brothers Trucks:
DTY87S4SMOG
Product Description
73-87 CHEVY / GMC TRI Y HEADERS SMALL BLOCK
Thorley headers are designed to outflow your stock exhaust manifolds They are designed with an emphasis on maximum low and mid range torque, while making ample horsepower throughout the RPM range.
Tri-Y one-piece
Steel
Silver ceramic coated
14-gauge
Tri-Y one-piece
Steel
Silver ceramic coated
14-gauge
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