Check the listing for details. Swap A/C Compressor Adapter Fittings For Denso 10S17F & 10S20F Kit. Condition: New. Listed at 14.09 USD. Item number:4257Product description:Manufacturer Part Number: CM345061Interchange Part Number: 451-1106 451-1105 440-822 440-823, W10SA, DS345061Fitment Type: Direct OE ReplacementType:Compressor Adapter FittingsNOTE:If you're using the compressor included with the Chevrolet Performance #19155066 serpentine drive kit, these adapters might require modifications, spacers or may not work at all, we've received differing reports. There are no issues when using the truck version of this compressor.If you have or want to use the Denso 10S17F or 10S20F AC compressor on your LS engine swap, these adapters are what you need! These convert the compressor to #8 and #10 O-ring fittings. Seals and O-rings included.NO FIT LQ9 CompressorThe Denso 10SxxF compressors are normally found on LS1 style engines that have the truck accessories like the LQ4, LQ9 and most other truck 4.8, 5.3 and 6.0 engines. These compressor types may also be on Ecoboost, Acura and others, but check to ensure your inlet/outlet configuration is the same as in the last photo before ordering.Package included:1 set Compressor Adapter Fittings