SKU: TBS-3121
TBS-3121 POLISHED 250 MINI 2 LOBT - 8mm BB CHEVY STD DECK BILLET BLOWER PACKAGE

TBS-3121 2 LOBE  250 Blower package 8mm COGGED - 2v ACCESSORY  ( See TBS-3321 for High Helix version ) 

STREET OR BRACKET RACE 

As An  Alternative https://www.alkydigger.net/product/TBS-2019-BB-200-BRACKET.html    TBS-2019-BRACKET-RACE   

250 Mini Blower  for BB CHEVY STD DECK       Polished with Black option     

With new 2 LOBE  BILLET ROTORS 

3121  8mm low profile blower TBS 9.8" Deck Height std deck 

BB Chevy- 250 Blower Setup  -  Standard Deck BB  Complete Kit

With 8mm x 2" Wide Belt  COGGED 

Fits under hood  usually with no modifications - overall height of manifold,

 blower and carb adapter is 10.56"

Solid Billet , with  2 lobe rotors. ( see 3321 for the High Helix Version )

Makes  PLENTY of boost for any engine up to 500 cu in -  for Street or

 Marine use or Bracket Racing ( usually 4-8 lbs on 565-580  cu in engines 

Great Street sleeper blower to hide under the hood.  

Requires a Short Water Pump if driving it  ( only because the pulley lines up - not relevant with electric pump )

We also have it available for a tall deck .   TBS-3126  is the part number

*Also Used in High Compression BB Chevy Race cars to add 3-4 lbs of boost to 

equalize Atmospheric conditions when the air gets dirty, and/or  corrected elevation  and density altitude caused a negative impact on  your ET .

A 71 style Supercharger sticking out of the hood is always a nice addition, but it may 

not be what you are looking for. With our 250 Billet-Charger Blower series we have solved that problem. 

Still producing the most boost in the industry these dangerously powerful blowers come

 in a beautifully small package.  Perfect for tight clearances and low profile under-the-hood applications.

2 Lobe Straight Rotors w/ Teflon* will make 8-9   lbs boost on a 540 

10.8"  Tall from valley to top of Blower

Specs:

• Billet Case
  • CNC machined 6061-T6 Aluminum
  • Increased Strength over cast
  • Hard Anodized Interior
  • Mirror-Like Polish
  • Low Profile Design (6.56 tall including Billet Carb Adaptor)
  • Single or Dual Carb (4150 or 4500 *Please Specify when Ordering) SUGGEST  BUFFCO  RISER 
• 2 Lobe Rotors -BILLET 
  • Teflon OD Stripping
  • Full length rotor shaft for increased strength
  • Maximum BOOST  at low RPM 
• Billet Front Cover -Oil Level Sight Glass
  • Oil Drain Plug -Polished Pressure Relief Valve  - Billet Bearing Plates
• • -  Hard Anodized
• Included:
  • 250 Billet Supercharger with Snout
  • Intake Manifold Tall Deck (4.31" tall, machined for water and Polished)
  • Accessory Pulley 2V belt OR SERPENTINE 
  • Supercharger Pulleys (*Please specify engine size and desired boost when ordering)
  • Belt 8mm x 2"   
  • Idler Assembly-All Necessary Gaskets and Hardware

  Intake bolts are 2" Stainless USS Threads Allen with thick AN Washers 

Recent comment from an ex carb, unblown customer: