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This engine is tuned specifically for drag racing 330' and is high revving These come standard with a billet case
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Porting/machining:
There is a lead time on this engine due to the high amount of labor that goes into porting/building as well as having the cylinder treated
6316 - CNC Ported Full Mod / Signature Series 30.5cc TR/OBR 4 Bolt Reed Case Engine This engine is tuned specificallyAn aftermarket filter is recommended for install in a DBXL! Every long block or engine is now CNC ported and hand finished. CNC porting and hand finishing is all done in house by the OBR staff. We do not contract out any of our porting so every engine is modified to our exact specifications. We are able to offer higher accuracy this way as well as more power. Our CNC machine has allowed us to take our porting to the next level due to us being able to
