671 Blower Kit - 1/2 Weiand Superchargers - Performance gains of 14% over stock. 671 blowers utilize 1/2" pitch drive of 8mm drive; 871 blowers utilize 8mm pitch drive. Available in Satin or Polished finishes. New castings covers, bearing plates and rotor profiles are CNC machined at Holley.
For over 40 years, Weiand`s superchargers have been used extensively in dragsters, boats, Bonneville cars and wild street cars.
The latest CNC machining techniques and the most stringent quality control standards are used to maintain the tightest tolerances for smooth operation and maximum reliability. Each supercharger is 100% boost tested to help you squeeze the maximum power and efficiency out of your Weiand supercharger.
Put over four decades of supercharger know-how through your hood... it`s supercharging the Weiand way!
Other fitment as listed by some of our techs listed below
55-1986 CHEVROLET BIG BLOCK 31996-502
May fit other vehicles than what we have listed online at this time, please call us at 817-473-3500 for assistance or check with Weiand for additional applications.