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This Carrillo custom piston set is specified for the S63 engine with a 3.5059" bore and 10.0:1 compression. The pistons are coated for Alusil bores and include broaches and a CP groove as part of the custom configuration. Sold as a purpose-built piston set, it’s intended for engine builds requiring pistons matched to S63 dimensions and Alusil cylinder treatments.
Carrillo Custom Pistons for S63 Bore 3.5059 CR 10:1 Coated for Alusil Bore w/ Broaches and CP Groove
