Ultra-Seal Header Gaskets Fits 1955-1991 Chevrolet 262-400 Gen I Small Block D-Shaped Ports, 1.55 Inch x 1.71 Inch Mr Gasket Engine and Components - Gaskets & Seals - Engine Camshaft No Drivetrain or Exhaust Changes:

No Drivetrain or Exhaust Changes: Save time and effort with a kit that requires zero drivetrain or exhaust adjustments

This kit includes the in Tune i3 handheld programmer (PN 8345) and a Diablo Sport Modified PCM

Bolts to the frame rails above the Front Leaf Spring Mount

1956-1962 Chevrolet Corvette (Rear) (Note: GM 55P (8

utilizing a Face Hobbed or 2-Cut gear cutting style followed by lapping

Ultra-Seal Header Gaskets Fits 1955-1991 Chevrolet 262-400 Gen I Small Block D-Shaped Ports, 1.55 Inch x 1.71 Inch Mr Gasket Engine and Components - Gaskets & Seals - Engine Camshaft No Drivetrain or Exhaust Changes:Manufactured from high temperature steel core graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate Gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp load. Can be