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.
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 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).
Open lifter valley improves oil return to pan.
Enlarged lifter bosses accommodate offset and oversize lifters.
Blind head bolt holes dont go through to water jacket.
Ductile Main Caps
Front & rear external oil feed, crossover and restrictor provision to simplify use of external oil pumps.
Specs:
Deck: 9.025"
Bore: 4.125"
Mains: 350 Steel Billet
