PAVTEK PART # DA-CC31132211
4.125″ Bore, 9.025″ Deck, 400 Mains
The Dart Little M is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components. The Little M is cast from premium high strength iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high rpm. You can select 4.000″ or 4.125″ cylinder bores, and 350 or 400 main bearings with steel 4 bolt main caps. Front and rear external oil feed, crossover and restrictor provision simplify plumbing with external pumps.With a standard deck height, extra thick siamese cylinder walls and a competition oiling system, the Little M is the perfect starting point for a powerful and reliable engine for the street or the race track.
Features:
- Extra thick cylinder walls resist cracking and improve ring seal for more power.
- Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures.
- Priority main oiling system directs oil to the main bearings first for more dependable lubrication.
- Blind tapped head bolt holes prevent water leaks.
- Extra thick decks ensure reliable head gasket seal.
- Standard small block deck height allows use of off the shelf parts.
- Splayed outer bolts on middle main bearing caps prevent cracks.
- Open lifter valley improves return to oil pan.
- Enlarged lifter bosses accommodate offset and oversize lifters.
- 4 bolt billet steel main caps have splayed outer bolts for extra strength.
- Front and rear external oil inlets, crossovers and restrictor provisions to simplify plumbing with external pump.
- Block includes special coated cam bearings, freeze plugs and dowels