DART BIG M CHEVY SPORTSMAN BLOCK & FORGED MAHLE POWER PACK PISTONS/RINGS

NEW DART BIG M SPORTSMAN BLOCK OF YOUR CHOICE AND A FREE SET OF NEW MAHLE COATED POWER PACK PISTONS/FILE FIT RINGS OF YOUR CHOICE!!!! Any off the shelf Mahle "power pack" part number and any DART "BIG M"SPORTSMAN BLOCK PART NUMBER!!!

Main Caps: Ductile Iron

Standard Main Bearing Diameter

Deck Height:9.800 and 10.200 available

Cylinder Bore Diameter:4.250 - 4.500 and 4.600 available

• The Dart Big M Sportsman block was designed to be a more affordable version of the highly popular Big M.
• The Sportsman block is fitted with ductile iron 4-bolt main caps, and features a redesigned lubrication system that oils all of the main bearings before the lifters for extra reliability.
• Dart added two slotted head stud bosses on both sides of the lifter valley so you can use studs instead of hard to install bolts to take the place of the "missing head bolts".

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