The Dart Big M Sportsman block is fitted with ductile iron
4-bolt main caps. Center 3 outer main bolts are splayed for additional strength.
Uses +.300 tall roller lifters.
True Priority Main oiling system lubricates the main bearings before the lifters. The stepped oil gallery increases the flow of oil to the crank at high rpm and the front oil crossover eliminates internal oil leaks around the distributor shaft.
Includes FREE SHIPPING to commercial address in the USA lower 48 states.
All 4-bolt main ductile iron main caps
1,500 + HP
INCLUDES coated cam bearings & brass freeze plugs
All OEM stock accessories fit