Doug Thorley Headers THY-379Y-C Tri-Y Headers deliver the ultimate in performance and for your classic Chevy II/Nova. These Tri-y headers are designed to be used when you have replaced your front clip with an aftermarket unit that uses front mounted rack steering, they will not work with the OE front clip. They will replace your factory stock exhaust manifolds with a performance component that results in a serious increase in exhaust flow over stock. We're talking some serious horsepower and torque gains! The headers are manufactured using heavy duty 14GA steel tubing, and super flat 3/8" thick head flanges. They are then silver ceramic coated inside and out, which looks great, drastically reduces under-hood temperatures and creates a strong barrier to protect the headers from the environment. This complete kit includes everything needed to seriously upgrade the power output on your vehicle: headers, gaskets, exhaust adapters, and installation hardware. APPLICATION SPECIFICS: 1962-67 Chevy II, Nova | 265-400 Small Block | Aftermarket front clip with Front Steering required | Fits straight or angle plug cylinder heads | No D-port heads.
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