LS3 6.2L Rotating Assembly Kits

CNC-Motorsports offers an endless variety of LS3 L92 stroker kits. We offer everything from mild kits with pump gas pistons to wild fully forged rotating assembly kits to meet your racing needs. We offer quality name brands such as; Eagle, Scat, Callies, Lunati, Crower, JE/SRP, Diamond, Mahle, CP, and Manley to name a few. CNC-Motorsports can customize any rotating assembly kit to meet your specific needs. All balanced LS stroker kits are completed in house by CNC-Motorsports. If you don’t see the LS kit you're wanting feel free to call or email our experienced staff today.
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  1. CS-6262-W PART NUMBER
  2. CS-6412-JE PART NUMBER
    CP 11.3:1 Pistons GM LS3 6.2L 415 Balanced Rotating Assembly Kit, Compstar Crank
    Compstar 6.2L LS3 426/429 Rotating Assembly, JE 9.0:1 Pistons
    $3,475.95

    6.2L LS3 426 427 428 429 Rotating Assembly, Callies Compstar 4340 Forged steel Crankshaft 4.100 Stroke, Callies Compstar 6.125 H-Beam Rods, -31.9cc Dish JE Pistons, Nitrided Rings, HP Bearings Included

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  3. CS-6402-JE PART NUMBER
    CP 11.3:1 Pistons GM LS3 6.2L 415 Balanced Rotating Assembly Kit, Compstar Crank
    Compstar 6.2L LS3 415/417 Balanced Rotating Assembly, 10.0:1 JE Ultra Pistons
    $4,081.95

    6.2L LS3 415 416 417  Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 4.000 Stroke, Callies Compstar 6.125 H-Beam Rods, JE Ultra Forged -14.9cc Dish Pistons, Nitrided Rings, HP Bearings Included, Internal balanced

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  4. CS-6422-JE PART NUMBER
    CP 11.3:1 Pistons GM LS3 6.2L 415 Balanced Rotating Assembly Kit, Compstar Crank
    Compstar 6.2L LS3 376 Balanced Rotating Assembly, 10.0:1 JE Ultra Pistons
    $4,081.95

    6.2L LS3 376 377 378 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -8.5cc Dish JE Ultra Pistons, Nitrided Rings, HP Bearings Included, Internal balanced, 1500 HP Kit

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  5. CS-6423-JE PART NUMBER
    CP 11.3:1 Pistons GM LS3 6.2L 415 Balanced Rotating Assembly Kit, Compstar Crank
    Compstar 6.2L LS3 376 Balanced Rotating Assembly, 9.0:1 JE Pistons
    $3,750.95

    6.2L LS3 376 377 378 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -19.2cc Dish JE Pistons, Nitrided Rings, HP Bearings Included, Internal balanced

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  6. CS-6261-M PART NUMBER
    Compstar 6.2L LS3 376 Balanced Rotating Assembly, -12cc Dish Mahle Pistons
    Compstar 6.2L LS3 376 Balanced Rotating Assembly, -12cc Dish Mahle Pistons
    $3,368.95

    6.2L LS3 376 377 378 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 3.622 Stroke, Callies Compstar 6.125 H-Beam Rods, -12cc Dish Mahle Pistons, Rings, Performance Bearings, Internal balanced

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  7. CS-6265-M PART NUMBER
    Compstar 6.2L LS3 415 418 Balanced Rotating Assembly, 10.2:1 Mahle Pistons -14cc Dish
    Compstar 6.2L LS3 415 418 Balanced Rotating Assembly, 10.2:1 Mahle Pistons -14cc Dish
    $3,410.95

    6.2L LS3 415 416 417 418 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 4.000 Stroke, Callies Compstar 6.125 H-Beam Rods, -14cc Dish Mahle Pistons, Rings, Performance Bearings, Internal balanced

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  8. CS-6266-M PART NUMBER
    Compstar 6.2L LS3 415 418 Balanced Rotating Assembly, 9.2:1 Mahle Pistons -25cc Dish
    Compstar 6.2L LS3 415 418 Balanced Rotating Assembly, 9.2:1 Mahle Pistons -25cc Dish
    $3,410.95

    6.2L LS3 415 416 417 418 Rotating Assembly kit, Callies Compstar 4340 Forged steel Crankshaft 4.000 Stroke, Callies Compstar 6.125 H-Beam Rods, -25cc Dish Mahle Pistons, Rings, Performance Bearings, Internal balanced

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  9. CS-6269-M PART NUMBER
  10. CS-6270-M PART NUMBER

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