Weiand 174 Series Low Profile Pro Street Supercharger Kits for Big Block Chevrolet
  Weiand 174 Series Low Profile Pro Street Supercharger Kits for Big Block Chevrolet  

Looking to add supercharger power to your big block, but have limited hood clearance? Look to the Weiand 174 Low-Profile blower kit for the answer. Engineered with a lower overall height of just 8.25”, it’s only slightly taller than a high rise single plane intake. It’s great for tight engine compartments and allows you to retain your factory exterior appearance for a more traditional look.

Weiand’s Pro-Street supercharger kits are engineered to give you 25% to 40% more power while maintaining outstanding street-ability. Bolt this kit on your engine and you will have the looks and horsepower to back up the bad boy image of your ride no matter where you cruise.

This system is a practical addition to any performance or tow vehicle where hood clearance and/or the use of a long water pump and three v-belts are required. They feature PTFE tipped rotors for tight rotor to case tolerances. They will fit under many stock hoods on trucks and muscle cars (may require a small cowl induction hood for some applications).

All Weiand 174 blowers feature 100% new CNC machined parts (no remanufactured components), including new thick-wall cases & rotors to eliminate high-RPM flex and provide maximum reliability. All superchargers are built in Weiand’s state-of-the-art manufacturing cell and each supercharger is 100% boost tested to help you squeeze out maximum power & efficiency.

Features / Benefits:

  • Develop 500 to 550+ horsepower out of a mild 454 Chevy
  • Incredible torque gains for heavy cars and towing applications
  • Low-Profile design for a clean, simple installation
  • Teflon tipped rotors for excellent sealing efficiency
  • Full-time power every time you hit the gas with no lag

Installation Notes:

  • Superchargers are perfectly suited for stock or modified engines with 7.5:1 to 9:1 compression ratios.
  • Kits include manifold, blower assembly, drive snout, pulleys, belt and hardware.
  • Kits designed for stamped steel v-belt accessories. Use of billet pulleys may require custom machine work and/or spacers.
  • Fits with Short or Long style water pumps
  • Supercharger mounts to manifold using 4 bolts through bearing plates
  Weiand 174 Series Low Profile Pro Street Supercharger Kits for Big Block Chevrolet  
Application Drive Satin
Chevrolet Big Block (Standard Deck;174 Series *7,*8,*11
10 Rib Flat
WEI 7741-1
WEI 7751-1
  7. Low profile design; P/N 7741-1 is 2” lower overall than P/N 6521-1
8. Manifold will fit rectangular port, and oval port with “trim-to-fit” gasket
11. Will work with up to 3 accessory V-belts, with a short or long water pump
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