Holley 90921-1 - Holley Powercharger Case & Rotor Assembly Details
144 PowerCharger
Installation Notes Complete Blower Case Assembly; Does not include Nose Assembly or Drive Coupler; Will work on any 144 B&M/Holley/Weiand with Teflon Tipped Rotors; 9.75" Front to Rear Blower Mounting Bolt Spacing
Complete Blower Case Assembly; Does not include Nose Assembly or Drive Coupler; B&M/Holley/Weiand with Teflon Tipped Rotors.
9.75" - 144 series Front to Rear Blower Mounting Bolt Spacing
174 series - 11.50" Front to Rear Blower Mounting Bolt Spacing
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