LS Internally Balanced Rotating Assembly
LS Series

LS Internally Balanced Rotating Assembly
Stage I Priced From $2,295

LS Internally Balanced Rotating Assembly

LS Internally Balanced Rotating Assembly

Chart Is For Reference

Bore4.0004.0654.1254.185
Stroke3.622 364376387398
4.000402415427440
4.100412426438451
4.125415428441454
4.250427441454468
364-468
LS Rotators $2,295
Many Compression Ratios Available.


These Custom Designed Kits Consist Of Carefully Matched Components For Your Particular Application. Let One Of Our Experienced Sales Staff Help You With Your Rotating Assembly Needs! Complete Assembly Internally Balanced.

Includes Bearings & Balancing!



The Following Chart Is Based On Stock GM Blocks

FamilyLitreCubic InchStock BoreOversizeStock StrokeMax StrokeRod Length
LS1, LS65.73463.898Std., 3.905, 3.9083.6224.0006.125
LS26.03644.000Std., 4.005, 4.010, 4.0303.6224.0006.125
LS36.23764.065Std., 4.070, 4.075, 4.0803.6224.0006.125
LS77.04274.125Std., 4.130, 4.1354.0004.1006.125

Stage I

Naturally Aspirated or Light Boost

  • Scat 4340 Forged Steel Crank
  • Scat 4340 H-Beam Forged Steel Rods
  • ARP 8740 7/16" Rod Bolts
  • SRP Pro 4032 Forged Aluminum Pistons
  • Premium 8620 Steel Wrist Pins
  • 1.2/1.5/3.0mm Lightweight Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
$ 2,295

Stage II

Nitrous or Mild Boost

  • Manley 4340 Forged Steel Crank
  • Manley 4340 H-Beam Forged Rods
  • ARP 2000 Rod Bolts
  • Wiseco 2618 Forged Aluminum Pistons
  • Tool Steel Wrist Pins
  • 1.2/1.2/3.0mm GSX Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
$ 2,995

Stage III

Extreme Nitrous or High Boost

  • Callies/Compstar 4340 Crank w/8 Counterweights
  • Molnar Power Adder 4340 Forged H-Beam Rods
  • Asymmetrical ARP 2000 Rod Bolts
  • Diamond L2K 2618 Forged Aluminum Pistons
  • H-13 Steel Wrist Pins
  • Total Seal 1.5/1.5/3.0mm AP Steel Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Complete Assembly Internally Balanced
$ 3,495
  • Footnotes
  • 58T Reluctor Wheel Standard. 24T Reluctor Wheel Available at No Extra Charge
  • Flat Top Style Piston Standard. Dish or Dome Also Available.

Crankshafts
Stage I Options
Lunati 4340 Non-Twist Crankshaft.
Available in 4.000" and 4.100" Stroke.
 $N/C
Stage II Options
Callies Compstar 4340 Fully Counterweighted Crankshaft w/8 Counterweights.
Available in 3.622", 4.000" and 4.125" Stroke.
 $175
Callies Dragonslayer 4340 Forged Steel Crank w/6 Counterweights.
Available in 3.622, 4.000", 4.100" and 4.125" Stroke.
 $895
Stage III Options
Callies Dragonslayer 4340 Forged Steel Crank w/6 Counterweights.
Available in 3.622, 4.000", 4.100" and 4.125" Stroke.
 $720
Callies Magnum 4340 Fully Counterweighted Crank w/6 Counterweights.
Available in 3.622, 4.000", 4.100" and 4.125" Stroke.
 $885
Callies Magnum 4340 Fully Counterweighted Crank w/8 Counterweights.
Available in 3.622, 4.000", 4.100" and 4.125" Stroke.
 $1125
Connecting Rods
Stage I Options
Scat 4340 Forged H-Beam Rods w/ARP 2000 Bolts $125
Molnar Severe Duty "Turbo" 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $175
Stage II Options
Molnar Severe Duty "Turbo" 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $75
Callies Ultra H-Beam 4330M Timken Steel Rods $1095
Stage III Options
Callies Ultra H-Beam 4330M Timken Steel Rods $995
Callies Ultra I-Beam 4330M Timken Steel Rods $1320
Pistons - Pins - Rings - Bearings
Custom Diamond or Wiseco 2618 Aluminum Pistons
(Any Size or Compression Ratio)
 from$295
H13 Tool Steel Wrist Pins $250
Total Seal Stainless Steel Ring Set (For High Boost or Nitrous) $225
Tool Steel "M2" Rings for Heavy Nitrous $395