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BDS Polished Street/Competition Blower 14-71 Std. Rotor

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BDS 14-71 polished billet alum. street/competition blower. Rotors are billet alum. sixty degree that are hard anodized for a long lasting durable supercharger with tighter inside tolerances creating a more efficient supercharger. The blower uses double lipped Teflon seals to provide superior seal on the rotor shafts with hi-speed double row ball bearings and helical steel gears to keep the rotors in time. Billet alum. rear bearing plate, front bearing plate, and billet front gear cover offer maximum strength and gives a superior polish. Injectors with a 13.250" on center bolt pattern can bolt to the top of the blower as well as 4150/4500 carburetor adapters. BDS offers the superchargers in different stages for the buyer from street to full race so read below the options and if the buyer needs help for there application RBS will be happy to help. Top opening on the blower case is 13.125" x 4.250" and the bottom opening is 12.250" x 4.125". Front cover has a pressure relief and a oil sight glass installed.
Stage 2, blower is hard anodized inside the blower case, bearing plate surfaces and the complete blower rotor surface. This is great for a street application as the anodize offers corrosion protection, gives a more durable coating on the alum. for galling protection and tightens up all the clearances for better performance. Can be used on street or mild strip use.
Stage 3, same as Stage 2 but a tip strip of Teflon is added to the top of the rotors to tighten the clearance between the case and the rotor offering better sealing and producing more boost into the buyers engine. Can be used on street or mild strip use.
Stage 4, same as Stage 3 but strips of Teflon is added to the sides of the rotors to seal the rotors to one another so once boost is put into the intake the side Teflon strips stop the air from trying to leak back up thru the supercharger keeping the boost down in the intake and more power being made. Recommended for alcohol or nitro use only. Picture of blower is a Stage 4.
Blower external finish can be anodized if the racer prefers the look of an all black or all gray supercharger. Color of anodize and stage of blower can be chosen from drop down menu.