Dart 31181211 - Little M2 Iron Small Block Chevy Blocks

Dart - 31181211

Engine - Little M - Bare Block - 4.125 in Bore - 9.025 Deck - 350 Main - 4-Bolt Main - 2-Piece Seal - Iron - Small Block Chevy - Each

Dart Little M2 Iron Small Block Chevy Blocks

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. Front and rear external oil feed, crossover and restrictor provision simplify plumbing with external pumps.

• Uses standard small block parts, including cam, timing chain, oil pump, oil pan, oil filter, motor mounts, mechanical fuel pump, and clutch linkage; Priority main oiling system feeds main bearings first; Siamese cylinder bores with extra thick walLS2 resist cracking and improve ring seal for more power (minimum .275? thick with 4.185? bore); Open lifter valley improves oil return to pan; Enlarged lifter bosses accommodate offset and oversize lifters; Blind head bolt holes don't go through to water jacket; Billet steel 4-bolt main bearing caps on all 5 mains; Front & rear external oil feed, crossover and restrictor provision to simplify use of external oil pumps; Parts kit included