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Mahle MS Piston Set GM LT1 427ci 4.125in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.3 CR Set of 8

Mahle · New

Mahle MS Piston Set GM LT1 427ci 4.125in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.3 CR Set of 8

MPN 930173225 · Store SKU mhl930173225

$1,014.97
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Supplier stock checked 11/7/2026, 8:48:45 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

428cid 4.125 x 1.105CH, 4.000stroke,6.125rod,0.927pin,-6.1cc,455g,12.7CR, 2618 Piston (set) - LT 6.2L FLAT TOP - compatible with GM LT1 / L86 / LT4 heads

Manufacturer fitment & guides

  • Chevrolet LT 428 cu in.
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
  • California Proposition 65: Y
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