Upgrade your GM LS build with OEM-equivalent Delphi hydraulic roller lifters, packaged by Brian Tooley Racing. The BTRX12499225-16 kit includes 16 precision-ground lifters—direct replacement for GM part 12499225—designed for high-RPM stability and compatibility with both Gen III/IV LS7 and modern Gen V LT engines:
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Lifter Type: Hydraulic roller (no link bar)
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Body Diameter: 0.842″
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Quantity: Set of 16
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Material: Hardened alloy steel with precision-ground rollers
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Compatibility: Fits LS7, LS1–LS3, LT1/L86 and most GM small-block engines originally equipped with hydraulic roller lifters
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Recommended Use: High-lift camshafts, performance rebuilds, high-RPM applications
Available now at Virtual Speed Performance—your source for pro-grade LS components.
Lifter - Hydraulic Roller - 0.842 in OD - GM LS-Series / GM GenV LT-Series - Set of 16