SKU: TBS-3121-SB
TBS-3121-SB Polished 2 Lobe 8mm SB Chevy 250 "BABY" Billet Blower Package 8mm

SMALL   Block Chevy  250 Mini Blower 2 Lobe Package 

see 3321  for High Helix Version   for Small Block  250 HH

Better pictures coming soon  

TBS-3121-SB  2 LOBE  250 Blower package 8mm COGGED - 2v ACCESSORY 

 ( See TBS-332-SB  for High Helix version ) 

STREET OR BRACKET RACE   

   250 Mini Blower  for SB  Chevy   Polished with Black option  With new 2 LOBE BILLET ROTORS 

3121  8mm low profile blower TBS w Polished SB Chevy Manifold 

SB  Chevy- 250 Blower Setup  -  will not fit tall deck  SB without Spacers 

with 8mm x 2" Wide Belt

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-SB  for the High Helix Version )

Makes  PLENTY of boost for any engine up to 454  cu in -  for Street or Marine use or Bracket Racing ( usually 5-10  lbs ona 434  421  454  SB 

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 )

*Also Used in High Compression SB Chevy Race cars to add 6-10  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 6-10    lbs boost on a 454 SB Usually 

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 Polished  w Black Option 
  • 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: