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  • Compstar – LSx / LT-GENV - 8 Counterweight Image
  • Compstar – LSx / LT-GENV - 8 Counterweight

  • LSX engines are taking the performance market by storm. To answer the needs of engine builders who are testing new limits, Compstar has developed the widest range of LSX crankshafts available anywhere. Regardless if your application is road race, marine, circle track, or street/strip, Compstar has the configuration you need.

    Made from 4340 steel that is deep nitrided for strength and wearability, every Compstar crank is intended for high output installation. Compstar LSX crankshafts are counterweighted for enhanced bearing load distribution, which allows these shafts to withstand both high boost and high RPM applications.

    Machined with large journal radii, gun drilled mains, and fully lightened rod journals, the Compstar LSX crankshaft is truly built for performance.  To accommodate your engine control system, Compstar LSX shafts can be specified with either late LS2 – LS7 58 tooth or the early LS1 – LS6 style twin timing wheels. If you are building a dry sump LS7 style engine, Compstar offers an extended length post to easily complete your project.

    Compstar LSX – 8 Counterweight cranks are sold rough balanced to 1850 grams, or finish balanced to your bob weight.

  • Compstar – Gen III/IV LS1/LS7 / LT

    Standard Features:

    • Made from 4340 steel that is deep nitrided for strength and wearability
    • Counterweighted for enhanced bearing load distribution
    • Rough balanced to 1850 grams, or finish balanced to your bob weight
  •  

    COMPSTAR SMALL BLOCK LSx 8 Counterweight    
    Stroke Main Pins Cammed for rod length Part #
    3.625 2.559 2.100 6.098 APH31Q-CS
    4.000 2.559 2.100 6.125 AWO31Q-CS
    4.000 2.559 2.100 6.125 APO31Q-CS
             
    LS Wet Sump Post
             
    4.100 2.559 2.100 6.125 AP&-31Q-CS
    4.125 2.559 2.100 6.125 APU-31Q-CS
             
    LS Dry Sump
             
    3.625 2.559 2.100 6.100 AWH-31Q-CS
    4.000 2.559 2.100 6.125 AWO-31Q-CS
    4.125 2.559 2.100 6.125 AWU-31Q-CS
             
    LT Wet Sump Post
             
    3.625 2.559 2.100 6.100 5TH-31Q-CS
    3.750 2.559 2.100 6.125 5UJ-31Q-CS
    4.000 2.559 2.100 6.125 5TO-31Q-CS
             
    LT Dry Sump Post
             
    3.625 2.559 2.100 6.100 5UH-31Q-CS
    3.750 2.559 2.100 6.125 5UJ-31Q-CS
    4.000 2.559 2.100 6.125 5UO-31Q-CS
             
    Accessories for LS Crankshafts
             
    3/16 x 1.348 Key       WR607
    LS Key       CPP-0552
    58 Tooth GM Reluctor       12586768
    Billet 58 Tooth Reluctor        12586768-1
    OEM 24 Tooth GM Reluctor       12559353
    Billet 24 Tooth Reluctor       12559353-1
    CUP PLUG for 1.080 bore       PLUG1009
  • « Back to Catalog
  • Compstar – LSx / LT-GENV - 8 Counterweight Image
  • Compstar – LSx / LT-GENV - 8 Counterweight

  • LSX engines are taking the performance market by storm. To answer the needs of engine builders who are testing new limits, Compstar has developed the widest range of LSX crankshafts available anywhere. Regardless if your application is road race, marine, circle track, or street/strip, Compstar has the configuration you need.

    Made from 4340 steel that is deep nitrided for strength and wearability, every Compstar crank is intended for high output installation. Compstar LSX crankshafts are counterweighted for enhanced bearing load distribution, which allows these shafts to withstand both high boost and high RPM applications.

    Machined with large journal radii, gun drilled mains, and fully lightened rod journals, the Compstar LSX crankshaft is truly built for performance.  To accommodate your engine control system, Compstar LSX shafts can be specified with either late LS2 – LS7 58 tooth or the early LS1 – LS6 style twin timing wheels. If you are building a dry sump LS7 style engine, Compstar offers an extended length post to easily complete your project.

    Compstar LSX – 8 Counterweight cranks are sold rough balanced to 1850 grams, or finish balanced to your bob weight.

  • Compstar – Gen III/IV LS1/LS7 / LT

    Standard Features:

    • Made from 4340 steel that is deep nitrided for strength and wearability
    • Counterweighted for enhanced bearing load distribution
    • Rough balanced to 1850 grams, or finish balanced to your bob weight
  •  

    COMPSTAR SMALL BLOCK LSx 8 Counterweight    
    Stroke Main Pins Cammed for rod length Part #
    3.625 2.559 2.100 6.098 APH31Q-CS
    4.000 2.559 2.100 6.125 AWO31Q-CS
    4.000 2.559 2.100 6.125 APO31Q-CS
             
    LS Wet Sump Post
             
    4.100 2.559 2.100 6.125 AP&-31Q-CS
    4.125 2.559 2.100 6.125 APU-31Q-CS
             
    LS Dry Sump
             
    3.625 2.559 2.100 6.100 AWH-31Q-CS
    4.000 2.559 2.100 6.125 AWO-31Q-CS
    4.125 2.559 2.100 6.125 AWU-31Q-CS
             
    LT Wet Sump Post
             
    3.625 2.559 2.100 6.100 5TH-31Q-CS
    3.750 2.559 2.100 6.125 5UJ-31Q-CS
    4.000 2.559 2.100 6.125 5TO-31Q-CS
             
    LT Dry Sump Post
             
    3.625 2.559 2.100 6.100 5UH-31Q-CS
    3.750 2.559 2.100 6.125 5UJ-31Q-CS
    4.000 2.559 2.100 6.125 5UO-31Q-CS
             
    Accessories for LS Crankshafts
             
    3/16 x 1.348 Key       WR607
    LS Key       CPP-0552
    58 Tooth GM Reluctor       12586768
    Billet 58 Tooth Reluctor        12586768-1
    OEM 24 Tooth GM Reluctor       12559353
    Billet 24 Tooth Reluctor       12559353-1
    CUP PLUG for 1.080 bore       PLUG1009
  • « Back to Catalog

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