Dart 31161211L - SHP Chevy Small Block Iron Block - 4.125 in. Bore, 9.025 in. Deck

Dart 31161211L - SHP Chevy Small Block Iron Block - 4.125 in. Bore, 9.025 in. Deck

Dart SHP Iron Small Block Chevy Blocks

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

• Priority main oiling system
• Siamese cylinder bores with extra thick walLS2
• Optional full water jacketed non-siamese cylinder bores
• Extra thick decks ensure reliable head gasket seal
• Blind head bolt holes don't go through to water jacket
• Scalloped water jacket walLS2 improve flow around cylinders for better cooling
• Clearance for 3.750 stroke with steel rods
• Splayed outer bolts on middle main bearing caps
• Non-siamese water blocks have 2-bolt mains on all 5 locations
• Uses + .300 tall stock 87-95 roller lifters
• Provisions for OE stock roller lifters & cams
• Uses 1981-1985 stock style oil pan & passenger side dipstick
• Uses stock stamped steel or plastic timing cover
• All OE bolt holes for starter, clutch ball, etc.
• Oil restrictors available through aftermarket resources
• Parts kit sold separately