DA31192211 - DART LITTLE M IRON BLOCK SBC 400 DECK=9.025" BORE=4.125" MAIN=400

Dart Little M Sportsman Block, SBC, 400 Main, 9.025 Deck Height, 4.125 Bore, Ductile Iron Main Caps, Cast Iron, 2 Piece Rear Seal

Dart Little M Sportsman Block 31192211 is the perfect starting point for a powerful and reliable engine for the street or the race track. The Little M uses standard small block components and then adds features you can't get in any production casting.

Dart Little M offers the following Features:

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 the main bearings first.

Siamese cylinder bores with extra thick walls resist cracking and improve ring seal for more power (minimum .275” thick with 4.185” bore).

Scalloped water jacket walls improve flow around cylinders for better cooling.

Open lifter valley improves oil return to pan.

Enlarged lifter bosses accommodate offset and oversize lifters, Must use +.300" taller lifters

Blind head bolt holes don’t go through to water jacket.

3 Center Main caps are splayed 4 bolt main, front and rear cap are 2 bolt main

Rear external oil feed, crossover and restrictor provision.

Parts kit sold separately.

Old part number 31152211