The blower snout featured a spring-loaded tensioner to eliminate belt slippage. Dyer's Blowers can rebuild and/or re teflon strip the rotors on you Weiand / Holley / B&M 142, 144, 162, 164, 174, 177, 250, 256 and 420 Mega superchargers. Only 2 left in stock - order soon. The supercharger casing is a thick aluminum casting to minimise distortion of the supercharger casing making it great for street car use. Other options New from $3,182.33. Automotive $3,196.83 $ 3,196. First, the Pro-Street 142, 177, and 256 can be used on both long and For over a century Holley has driven the cutting edge of fuel-system design. (Note that throughout this tech manual the terms âsuperchargerâ and âblowerâ are used interchangeably since they mean exactly the same thing.) Stripping the rotors or replacing the strips is $200.00 additional. The 177 Series superchargers are engineered to produce 25-40% more power while maintaining excellent drivability! Only 2 left in stock - order soon. Superchargers, Rebuilds, Parts (1028) Supercharger Rebuild Services (75) Supercharger Porting Services (17) Supercharger Kits (44) Agriculture Pumps (3) Automotive Lubricants (12) Ceramic and Powder Coating (8) Fuel and Timing Controls (1) HPS Silicone Hose, Couplers, and Clamps (10) Intercooler Pumps (2) Plastic Repair (1) Promotional Items (3) Weiand and Holley Superchargers backed by over 40 years of Roots A COMP Cams blower cam (PN K12-556-4) further upped the ante, bringing our total engine output to a respectable 409 horsepower and 435 lb â¦ The Weiand 142 supercharger is designed for street application with a power gain between 25% and 40% depending on how fast the supercharger is spun and the modifications to your engine. This should give you 1 1/2â³ total deflection. Dyer's Blowers can rebuild and/or re teflon strip the rotors on you Weiand / Holley / B&M 142, 144, 162, 164, 174, 177, 250, 256 and 420 Mega superchargers. Part Number: WND-6791 Not Yet Reviewed We have over 20 years experience building and repairing top fuel, alcohol, and gas (street and marine) blowers. The blower belt adjustment should be done with the motor cold, and have 3/4â³ deflection in or out on the long side of the belt. Dyer Blowers manufactures, sells and services 471, 671, and 871 kits for Chevy, Ford, Chrysler, Mopar, Dodge, Plymouth, Pontiac, AMC, Buick and Oldsmobile V8 Engines. Some info on another board said that B&M's blower line was bought out by Holley, so the Holley (Weiand) 144 is the same thing. About Us. + ... WEIAND SBC 177 Supercharger Kit - Satin 6512-1. $1,499.99. We are the only company in the industry that will warranty our rebuilds, Machining the rotor to case clearance is a crucial part to a proper rebuild, A B&M 420 cleaned and ready for final assembly, To ensure performance and reliability we always test the blowers we rebuild. window.document.write("