LS Internally Balanced Rotating Assembly
LS Series

LS Internally Balanced Rotating Assembly $2,795

LS Internally Balanced Rotating Assembly

Chart Is For Reference

Stroke3.622 364376387398
364-454SBC LS Rotators $2,795
Different 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!
(Heavy Metal If Required Is Additional)

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
  • Callies/Compstar Fully Center Counterweighted Crank w/58T
  • Callies/Compstar 4340 H-Beam Forged Steel Rods w/ARP 2000 Bolts
  • JE/SRP Forged Pistons w/Coated Skirts
  • Total Seal/Speed Pro Plasma Moly Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Factory Pin Fitted Rods & Pistons
  • Complete Assembly Internally Balanced
  • Footnotes:
  • Shipped With Standard Clearance Bearings.
  • Clearances Must Be Checked Before Final Assembly.
Callies Magnum 4340 Fully Counterweighted Crank w/8 Counterweights.
Available in 3.622, 4.000", 4.100" and 4.125" Stroke.
Connecting Rods
Molnar Severe Duty Power Adder 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $175
Boostline Power Adder 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $795
Oliver Steel Billet Rods $895
Callies Ultra H-Beam 4330M Timken Steel Rods $1495
Callies Ultra I-Beam 4330M Timken Steel Rods $1495
Pistons - Pins - Rings - Bearings
Custom Diamond or Wiseco 2618 Aluminum Pistons
(Any Size or Compression Ratio)
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
Additional Parts - Labor - Accessories
Heavy Metal Installed (if required) Per slug$95
Weld Caps (if required) Per cap$35
Counterweight Drilling If Over 250 Grams (if required) $75
Individually Measure & Precision Pin-Fit Pistons & Rods $75
Boil & Micro-Polish Crank After Balancing $35
Cam Cut Counterweights (if required) $Call
SFI Heavy Duty Flexplate & ARP Bolt Package $150
Boninfante Severe Duty SFI Flexplate & ARP Bolt PackageImage Close$229