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The CP Turbo piston rings are specified for BMW and Toyota B58/B48 engines with a bore of 3.2283 inches and a listed compression ratio reference of 11.0:1. This description identifies these rings for B58/B48 engine applications and provides bore and ratio data to support correct selection during rebuilds, avoiding additional material or performance claims not present in the source.
CP Turbo Rings for BMW/Toyota B58/B48 - Bore (3.2283in) - Comp Ratio (11.0:1)
