SKU: TBS-1471-XR1-LS-Complete-setup
2157 Chevy LS TBS 2157 XR1 Competition Blower Package 14-71 "Our Baddest Blower"

Chevy LS- 1-2-3-6-7   Chevy   XR-1 2157   14-71 Ultimate LS      Chevy Special

======This is our most powerful Blower======

Includes:

 Black  2157 XR-1    Billet 14-71 Stripped for    Alcohol- nitro  w Snout

   124 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-makes 12 lbs more than our 2057 Retro Blower

 Blower Shop Rec port Competition  intake manifold w Burst Panel  +

Gaskets -Studs kit

Ultra Duty Outboard Idler assembly  RCD 

RCD Blower Hub  Dual 1/4" keys  RCD 

RCD Billet Crankshaft Support  Includes Hub and fuel pump drive 

RCD  billet Gear Drive Assembly   Wet Sump or dry sump   LS 

Enderle 5" or 5-9/16"     Big and Ugly- with Waterman Fuel Pump, Shut off valve kit,  Port nozzles and Fuel Filter 

Can take up to 6 weeks to prepare depending on Injection and blower availability. 

Cam or Belt Driven fuel pump  w shut off valve and overcenter bracket 

8mm GT Black Pulleys  Drive system - any ratio we decide on  from 1 to 1  to 50% over  ( custom for your engine ) *

11mm option  *   14mm option  *

This blower can be overdriven 60% / This includes a Carbon Belt    

Ready to Install

Should  make 45-50  lbs boost on a 450  cu in at  40% 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 10,000 blower RPM

                                                                                      Xr1   , XR1    XR-1