Details
These Lunati/Dart or World 598 cid Block and Balanced Rotating Assemblies for nitrous applications offer race proven quality components at a greatly reduced package price. Dart Big M or World steel cap block, forged 4340 crankshaft, H-beam rods with ARP2000 rod bolts, Diamond forged domed nitrous pistons and file fit rings are standard in this popular combination.598 cubic inch4.600 bore x 4.500 strokeUp to 1500 HorsepowerDart Big M Block - 10.200 deck or World BlockDuctile Iron 4-bolt main capsWorld Blocks have ARP main studs included and are already clearanced for 4.750 stroke4340 Lunati Forged CrankshaftCrankshaft has center counter weights for increased HP, added strength, more precise balance6.700 in Lunati H-beam rods with ARP2000 rod boltsDiamond Gas Ported, 41cc Domed, Forged Nitrous Pistons with tool steel H-13 pins .185 wallFor 2.350 x 1.950 diameter valvesComp ratio 14.2-1 with 118cc chamberFile fit Hardened Ductile Nitrous rings .043 x 1/16 x 3/16King HP rod & main bearings, coated cam bearingsPrecision BalancedFreeze plugsExtra cost option: Dart Race Series Block w/raised cam, spread pan rails, 2.125 cam, .904 liftersOther Combinations Available - Custom Assemblies our Specialty - Please InquireHundreds of stroke & bore combinations available
Additional Information
Manufacturer | Lunati |
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