Details
These Lunati/Dart or World 632 cid Block and Balanced Rotating Assemblies for 18° Big Chief or Big Duke 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 Products steel cap block, forged 4340 crankshaft, I-beam rods with ARP2000 rod bolts, Diamond forged domed nitrous pistons and file fit rings are standard in this popular combination.632 cubic inchFor Dart 18° Big Chief or Brodix Big Duke heads4.600 bore x 4.750 stroke1500 Horsepower plusDart Big M Block - 10.200 deck or World BlockSteel Billet main capsWorld Products Blocks have ARP main studs included and are already clearanced for 4.750 stroke4340 Lunati American Forged & Machined CrankshaftCrankshaft has center counter weights for increased HP, added strength, more precise balance6.700 in Lunati American forged & machined I-beam rods with ARP2000 rod boltsDiamond 18 degree Gas Ported, 6cc Domed, Forged Nitrous Pistons with tool steel H-13 pins .185 wallFor 2.350 x 1.950 diameter valvesComp ratio 14.6-1 with 87cc chamberTotal Seal file fit Steel or TNT Nitrous rings .043 x .043 x 3/16Clevite H series rod & main bearings, coated cam bearingsPrecision BalancedFreeze plugsExtra cost option: Dart Race Series Block w/raised cam, spread pan rails, 2.125 cam, .904 liftersDart Blocks will need to be clearanced for 4.750 stroke - ADD for Dart Stroke Clearance Machining - $179.00 SEE BELOWOther Combinations Available - Custom Assemblies our Specialty - Please InquireHundreds of stroke & bore combinations available
Additional Information
| Manufacturer | Lunati |
|---|
