Dart Sbc Little M Comp Iron Block 4.125 Bore 400 Mains 31132211
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The Dart Little M isdesigned from the ground upas a true racing engine blockwhich can be used withstandard off the shelf smallblock components. The LittleM is cast from premium highstrength iron and beefed upin all the critical areas. Acompetition oiling systemensures adequate lubricationto the main bearings at highrpm. You can select4.000" or 4.125"cylinder bores, and 350 or400 main bearings with steel4 bolt main caps. Front andrear external oil feed,crossover and restrictorprovision simplify plumbingwith external pumps.With astandard deck height, extrathick siamese cylinder wallsand a competition oilingsystem, the Little M is theperfect starting point for apowerful and reliable enginefor the street or the racetrack.
Features:- Extra thick cylinderwalls resist cracking andimprove ring seal for morepower.
- Scallopedouter water jacket wallsimprove coolant flow aroundthe cylinder barrels toequalize temperatures.
- Priority main oilingsystem directs oil to themain bearings first for moredependable lubrication.
- Blind tapped head boltholes prevent water leaks.
- Extra thick decksensure reliable head gasketseal.
- Standard smallblock deck height allows useof off the shelf parts.
- Splayed outer bolts onmiddle main bearing capsprevent cracks.
- Openlifter valley improves returnto oil pan.
- Enlargedlifter bosses accommodateoffset and oversize lifters.
- 4 bolt billet steelmain caps have splayed outerbolts for extra strength.
- Front and rear externaloil inlets, crossovers andrestrictor provisions tosimplify plumbing withexternal pump.
- Blockincludes special coated cambearings, freeze plugs anddowels.