Details
These Lunati/Dart or World 632 cid Block and Balanced Rotating Assemblies for nitrous applications have American forged cranks & American forged I-beam rods and offer race proven quality components at a greatly reduced package price. Dart Big M or World steel cap block, forged 4340 crankshaft, XD Xtreme Duty 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 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 USA/Molnar XD Xtreme Duty H-beam rods ARP2000 rod bolts XD rods have thicker beam cross section and thicker H-fins with Special Asymetric threded ARP2000 bolts Diamond Gas Ported, 34cc Domed, Forged Nitrous Pistons with tool steel H-13 pins .185 wall For 2.350 x 1.950 diameter valves Comp ratio 14.2-1 with 118cc chamber Total Seal file fit TNT Nitrous rings .043 x 1/16 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 |
|---|