DART SHP Pro Block Small Block Chevy 4.125 Bore / 350 Mains (BBC Cam Bore)

DART SHP Pro Block Small Block Chevy 4.125 Bore / 350 Mains (BBC Cam Bore) The SHP PRO has been upgraded with machining options which were previously only available as custom modifications. With all the standard features of the SHP (Special High Performance) block plus upgraded mains, cam and lifters, the SHP PRO block is the ideal foundation for small block engines with high RPM potential. The added stability provided by upgraded valve train and bottom end components improve both performance and reliability at sustained high RPM. Dart SHP Pro SBC Block Bare Block  4.125 in Bore 4.165 Max Bore 3.875 Max Stroke 422 Max Cubic Inch 9.025 Deck  350 Main 4-Bolt Mains  2 Piece Seal BBC Camshaft Bore .904 Lifter Bores Billet Main Caps Iron (Weighs 175 Pounds) Small Block Chevy Each