DART SHP Pro Chevy Small Block Iron Block – 4.125" Bore, 9.025" Deck

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.
Priority main oiling system; Oil restrictors available through aftermarket resources; Siamese cylinder bores with extra thick walLS2; Extra thick decks ensure a reliable head gasket seal; Blind head bolt holes don’t go through to water jacket; Clearance for 3.750” stroke w/steel rods; Splayed outer bolts on middle main bearing caps; All OE bolt holes for starter, clutch ball, etc.

• Industry: Automotive
• Camshaft Location: Standard
• Cylinder Bore Diameter: 4.125 IN
• Deck Height: 9.025 IN
• Engine Block Weight: 170-178 LBS
• Freeze Plug Type: Press Fit
• Camshaft Lifter Bore: 0.904 IN
• Main Bearing Type: Chevrolet 350
• Main Cap Type: Steel
• Material: Class 30 Grey Iron
• Rear Main Seal Type: 2-Piece
• Product Type: Engine Block
• Engine Block Material: Class 30 Grey Iron
• Make - Web: Chevrolet
• Engine - Web: Small Block
• Emissions Code: 3