Thumbnail Filmstrip of BB/SB Chevy TBS 2157 XR1 Competition Blower Package 14-71 "Our Baddest Blower" Images
NEW BB or SB Chevy XR-1 14-71 Ultimate / Big Block/ Small Block / Chevy Special
BigChief-Big Duke manifold option
This is our most powerful Blower
Includes:
Black 2157 XR-1 Billet 14-71 Stripped for Alcohol- nitro w Snout
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
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 / or JESEL Belt Drive Your ChoiceRecommend the Gear Drive GEAR DRIVE
Enderle 5" or 5-9/16" Big and Ugly- with Waterman Fuel Pump, Shut off valve kit, Port nozzles and Fuel Filter
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 540 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