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Block & Rotating Assembly-BALANCED-421 cid, Dart SHP Block, Forged Crank, H-beam Rod 11.7

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  • Block & Rotating Assembly-BALANCED-421 cid, Dart SHP Block, Forged Crank, H-beam Rod 11.7

Block & Rotating Assembly-BALANCED-421 cid, Dart SHP Block, Forged Crank, H-beam Rod 11.7

BKUS421R-7B

Availability: In stock

$4,707.80
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Details

Block & Rotating Assembly-BALANCED-421 cid, Dart SHP Block, Forged Crank, H-beam Rod 11.7
These Block and Balanced Rotating Assemblies offer race proven quality components at a greatly reduced package price. Dart SHP blocks, forged 4340 crankshafts, Stroker clearanced H-beam rods, forged pistons and file fit rings are standard in these popular combinations.

  • 421 cubic inch
  • 4.155 bore x 3.875 stroke
  • Also available with 4.125 bore - 415cid
  • Dart SHP Block - 9.025 deck
  • Liberty 4340 Forged Crankshaft - 350 mains
  • 6.000 in Stroker Clearanced H-beam rods by Lunati w/ARP2000 bolts
  • CP-Carrillo Forged Pistons -6.8cc flat top
  • Comp ratio w/64cc= 11.7 to 1
  • File Fit steel top & napier 2nd rings 1.5x1.5x3mm
  • Coated & grooved cam bearings
  • King rod & main bearings
  • Precision Balanced
  • Brass freeze plugs & steel cam plug

Other Combinations Available - Custom Assemblies our Specialty - Please Inquire

Hundreds of stroke & bore combinations available

Additional Information

Manufacturer Dart