ACL Race Main Bearing Set — GM 170 LAU/LP1/LP9/183 LF1/217 LFX/LLT/LY7 — 0.25mm Undersize
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Crankshaft main bearing set — Race Series. Supports the crankshaft in the block and carries the main load of every combustion event.
Application: GM 170 LAU/LP1/LP9/183 LF1/217 LFX/LLT/LY7.
ACL Race Series. Heavy-duty performance bearings, identified by the H in the part number. Designed for high-load and boosted applications.
0.25mm Undersize. For a crankshaft that has been reground 0.25mm below standard. Measure your journals before ordering — fitting an undersize set to a standard crank will leave the clearance far too tight.
ACL part number: 4M2273H-.25
Genuine ACL, supplied in New Zealand by Drift Spec. Not in stock? It can still be ordered — we bring it in.
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