Refresh your LS valvetrain with Morel MRL7717 hydraulic roller lifters. These are OE-style, drop-in lifters that reuse the factory LS lifter trays (no tie bars) and fit all GM LS-series engines (LS1/LS2/LS3/LS6/LS7, 4.8–7.0L). .842" outside diameter; sold as a matched set of 16.
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Direct LS drop-in lifters; reuse OE guide trays (no link-bar conversion).
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.842" OD hydraulic roller; set of 16
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Fits LS1/LS2/LS3/LS6/LS7 and other cathedral/rect-port LS combos.
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Replaces Morel 5315 / 6504 (now consolidated under 7717).
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Recommended preload ~.060" (check pushrod length).