SKU: TBS-2157-BB-CHEVY-COMP-PKG
2157 XR1 14-71 BB CHEVY COMPETITION BLOWER PACKAGE "Our Baddest Blower" W OPTIONS

BB CHEVY  TALL OR STD DECK W CONVENTIONAL HEADS       XR-1   14-71 Ultimate BIG BLOCK   Blower Setup   

Includes:

 Black  2157 XR-1    Billet 14-71 STRIPPED FOR ALCOHOL OR NITRO  "SUPER BLOWER"

   125 degree High- Helix ,  w V Opening  Delta

Adjustable top opening 10.5 " for BAU and Carbon Hats  12" for Birdcatcher and  Buzzard

 Rear Cooling Holes Tapped for Injection Nozzles

18 point Rotor stripping full seal around front and back of rotors 

Does NOT use a Setback Plate  THE ROTORS ARE SETBACK INSIDE THE BLOWER 

makes 12 lbs more than our 2057 Retro Blower

TBS- COMPETITION MANIFOLD SATIN 

Complete Port Nozzle Fuel System TOTAL OF 18 INJECTORS 

COMPETITION TBS MANIFOLD  OR OPTIONAL INDY  W BURST PANEL 

Gaskets -Studs Kit

Ultra Duty Outboard Idler assembly-   RCD ENGINEERING 

RCD Blower Hub  Dual 1/4" keys 

RCD Billet Gear Drive  FIXED IDLER - STD HEIGHT OR .400 RAISED  CAM  5"COMPETION EXTENSION

Enderle 5"  or 5-9/16"  Big and Ugly-or Upright  Injector W BILLET K VALVE 

 Waterman NOSTALGIA  Lil Bertha  Fuel Pump, Shut off Valve Kit,   & Fuel Filter 

8mm GT Black Pulleys  Drive system - Any Ratio We Decide on  From 20%   to 50% over  ( custom for your engine ) *

This blower can be overdriven 60%  This Includes a Carbon OR KEVLAR  Belt   

Ready to Install

Should  make 40-45lbs boost on a 540 cu in at  45% overdrive   *  Not a guarantee, Depends on Engine Variables and Altitude  ( elevation ) 

Cooler charge with High Helix rotors - can run it faster, and make boost all the way up to 12,000 blower RPM

USUALLY GOOD TO SUPPORT 2300 HP CONVENTIONAL HEAD  2500 HP BIG CHIEF HEADS

TORQUE MONSTER 

The XR Series superchargers from The Blower Shop™ have been developed over a period of more than 30 years. Extensive in-house and off site testing has helped us put everything we know into developing the best race blower that money can buy. Every aspect has been designed using 3D CAD / CAM systems as well as on-site Blower Dyno testing. If you are interested in owning one of the most Elite and Race Proven Superchargers on the market, you have arrived.

The Blower Shop™ has helped customers Win Races, Earn Championships and Break World Records since 1987. Let us help you do the same.

Designed for use in the following classes: Top Fuel, Hydro, Tractor Pulling 7 Pro mod… ALCOHOL DRAGSTER & FUNNY CAR TOP DRAGSTER 

Xr1   , XR1    XR-1