Honda H23A 2.3L DOHC, 87.50mm & 88.0mm, All Motor / n2o, High Compression

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Honda H23A1 2.3L DOHC  92-95 Prelude
Stock Bore: 3.425, 87mm   Stroke: 3.740   Rod: 5.571   Head cc: 53.8   Gasket: .028   Deck: .005
Bore Comp. Dome Compression RatioComp. Gram Part Required
in/mm Height CC w/ Stock Head  Wt. Number Ring Set
Dome top                 All Motor
3.445 / 87.50 1.200 6 12 313 3330300 1012283445
3.4645 / 88.00 1.200 6 12 tbd 3330320 1012283465