Details
These Lunati/Dart or World 632 cid Block and Balanced Rotating Assemblies for 18 Degree Big Chief or Big Duke nitrous applications have American forged cranks & XD Xtreme Duty H-beam rods and offer race proven quality components at a greatly reduced package price. Dart Big M or World Products 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.632 cubic inch For Dart 18 Degree Big Chief or Brodix Big Duke heads 4.600 bore x 4.750 stroke 2000 Horsepower plus Dart Big M Block - 10.200 deck or World Block Steel Billet main caps World Products Blocks have ARP main studs included and are already clearanced for 4.750 stroke 4340 Lunati American Forged & Machined Crankshaft Crankshaft has center counter weights for increased HP, added strength, more precise balance 6.700 in USA/Molnar XD Xtreme Duty H-beam rods with Special Asymetric ARP2000 bolts Diamond 18 degree Gas Ported, 6cc Domed, Forged Nitrous Pistons with tool steel H-13 pins .185 wall For 2.350 x 1.950 diameter valves Comp ratio 14.6-1 with 87cc chamber Total Seal file fit Steel or TNT Nitrous rings .043 x .043 x 3/16 Clevite H series rod & main bearings, coated cam bearings Precision Balanced Freeze plugs
Extra cost option: Dart Race Series Block w/raised cam, spread pan rails, 2.125 cam, .904 lifters
Other Combinations Available - Custom Assemblies our Specialty - Please Inquire
Hundreds of stroke & bore combinations available
Additional Information
| Manufacturer | Lunati |
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