Seller notes

Chevrolet performance LS7 lifters GM part no. 12499225 sold in sets of 16. The LS7 lifter has been a go to upgrade for many boosted LS combinations, and was designed by GM to be incorporated into performance engine builds and utilizes improved valving for higher RPM capability. These are NOT the more commonly-found (and cheaper) HL2148 Delphi lifters or their offshore-manufactured knock-offs!These were purchased from GM in production line totes and will NOT be in original packaging....

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