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LS Rotating Assembly, 383 cid, 3.900x4.000, Forged Crank & Wiseco Pistons 8.5-10.6:1

$2,295.00

Callies CompStar LS1/LS6 Rotating Assemblies feature CompStar 4130 forged 4.00 stroke cranks, Forged 4130 H-beam rods, Wiseco forged pistons offers compression ratios, with 64cc chambers, from 8.5-1 for blower or turbos to 10.6-1 for normally aspirated engines. Callies fully machines and heat treats CompStar crankshafts for the intended high output installations.
Made from 4340 steel that is deep nitrided for strength and wear ability. CompStar LSX crankshafts are counterweighted for enhanced bearing load distribution, which allows these shafts to withstand both high boost and high RPM applications and assemblies are precision balanced. Machined with large radii, gun drilled mains and fully lightened rod journals, the CompStar LSX crankshaft is truly built for performance
All CompStar H-beam rods are forged from 4130 steel and come standard with ARP2000 rod bolts for increased torque capacity.

  • 3.903 x 4.000 bore & stroke
  • 383 cid
  • Callies CompStar 4130 forged crankshafts
  • Callies CompStar 4130 forged H-beam rods, 6.125 length
  • ARP2000 rod bolts
  • Precision balanced
  • Gun drilled mains & fully lightened rod journals
  • Wiseco forged pistons
  • -32cc inverted dome = 8.5-1 for boosted applications
  • -15cc inverted dome = 10.0-1
  • -9cc inverted dome = 10.6-1
  • Wiseco rings
  • ACL rod & main bearings
  • 24 or 58 tootch reluctor installed

Part NumberDome VolC/R 64ccBore/StrokeRodsPriceIn stockPurchase
CALLS3940-9 -9cc10.63.903x4.000H-Beam$2,295.00Yes
CALLS3940-15 -15cc10.03.903x4.000H-Beam$2,295.00Yes
CALLS3940-32 -32cc8.53.903x4.000H-Beam$2,295.00Yes

This product was added to our catalog on Saturday 19 December, 2009.