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Butler Pontiac Performance Crate Engine 461-474 cu. in. Turn Key


  • Butler Performance Engine- EFI or Carb
  • Choose 4.155, 4.181 Bore (400 block), or 4.181 or 4.211 (455 block)
  • 4.250" Stroke Cast or Forged Crank/H-Beam Rods
  • Custom Built and Dyno Tuned in House
  • All engines undergo the "Butler Process"

Please Call for Availability
Availability: Due to Popular Demand please contact us for lead time


461cu. in.
Starting at 450-550 HP


  • 400/455 Block 4-Bolt Main With Main Studs, Dip Stick
  • Cast or Forged Crank 4.250 Stroke
  • Eagle H-Beam Rods 6.800"
  • BP Ross Pistons and Pins
  • Total Seal Rings
  • C77 Race Bearings
  • BP Billet Gears and Chains
  • Melling SD m54f Oil Pump
  • BP/COMP Hyd Roller Cam
  • Hyd Roller Lifters
  • BP Custom Pushrods 5/16 .116" Wall
  • SFI Damper
  • Roller Rockers
  • Edelbrock Out of Box or BP Built Edelbrock 87cc Heads
  • Ferrea Valves 2.11 in 1.77 ex
  • Comp Springs, Locks, Chromoly Retainers
  • Canton Oil Pan & Pickup
  • Port Matched Intake
  • BP Aluminum Valley Pan
  • Choice of FAST, Holley, or Edelbrock PROFLO EFI
  • Choice to add EFI Tank Solution. Click here to see EFI Solution Kits
  • Flowkooler Water Pump
  • New 11 Bolt Timing Cover, Plates, and Sleeves
  • MSD Billet Distributor w/Polymer Gear, Coil, Wires
  • IMI Starter
  • Engine Paint and Valve Cover Options
  • Run and Break-In On Dyno
  • Comes With Complete Blueprint Sheet

Images show with optional parts. Contact us for detailed quote for your application and specifications.


  • BP-ENGINE-461-474
  • BP-ENGINE-461-474
  • Butler Performance
  • Due to Popular Demand please contact us for lead time
  • New

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