Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Round Ports AFE POWER Each Tranmission is dyno tested

Each Tranmission is dyno tested

it performs so well that it delivers greater air density to the turbo's inlet than all competitors tested

Whether you're maintaining a stock setup or upgrading for better efficiency

It can be mixed with stock-type transmission fluids

Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Round Ports AFE POWER Each Tranmission is dyno testedMr. Gasket Copper Seal Header Gaskets are made from dead soft solid Copper . 043 inch thick. This gasket incorporates . 051 inch embossment around each port to seal irregular surfaces, total gasket thickness is . 094 inch. Provides excellent sealing and durability. Conforms to and seals minor surface irregularities. designed for high performance street, drag race, oval track and turbocharged (extreme heat) applications.