Designed for high performance and heavy duty applications, the SHP block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders and high performance marine enthusiasts.

Features:

• 350 Mains / 4.125 Bore
• Brand new precision machined cast iron block.
  
• Siamese bores 4.000" or 4.125" (unfinished).
  
• Extra thick decks ensure reliable head gasket seal.
  
• Blind head bolt holes don't go through to water jacket.
  
• Clearance for 3.75" stroke with steel rods.
  
• 350 main journals accept commonly available crankshafts.
  
• Splayed outer bolts on middle main bearing caps prevent cracks.
  
• Uses standard two piece rear main seal / we have the 1 piece as well
  
• Provisions for OE stock roller lifters and cams.
  
• Uses 1981-1985 stock style oil pan and dipstick.
  
• Uses stock stamped steel or plastic timing cover.
  
• All OE bolt holes for starter, clutch ball, etc...
  
• Priority main oiling system directs oil to main bearings first for more dependable lubrication.