BN-270LA/BN-270RA/BN-270LB/BN-270RB
| Part Number | Lip | Air | Sensor |
| BN-270LA/RA | lip up | w/out air | w/out sensor |
| BN-270LB/RB | lip down | w/out air | w/out sensor |
| difference is the front flange - looks upside down on the B-Setup |
| measurements required |
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BN-270LA/BN-270RA/BN-270LB/BN-270RB
|