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Actual Engine Displacement
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Rear Main Seal Style
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Bore (in.)
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Bore (mm)
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Balanced
- Yes (2)
Piston Material
- Forged aluminum (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Piston Style
- Flat top, with two valve reliefs (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Harmonic Balancer Included
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Flexplate Included
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Callies Performance Engine Rotating Kits

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Callies Compstar Speed Packs LS03024-3

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: CPI-LS03024-3

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Callies Compstar Speed Packs LS03058-3

Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: CPI-LS03058-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Callies Compstar Speed Packs 30014