These Dart Block & Manley Rotating Assemblies for 582 cid Big Block Chevys are Precision Balanced with Manley forged gas-ported pistons for 13.5-1 compression with 118cc heads and have upgraded ARP2000 rod bolts. Manley has the BEST rods in the industry.
This is a Serious Competition Kit.
Dart Big M Sportsman Block with ductile main caps
9.800 deck and 4.600 bore
Coated cam bearings, freeze plugs, dowel pins
Manley Forged 4.375 stroke crankshaft with dual keyways
Manley Forged H-beam Rods w/ARP2000 bolts 6.535 in
Manley Forged Pistons w/42cc dome for 14.1-1 C.R.
Chrome moly .150 wall pins (.180 wall available)
Manley Ductile Moly rings