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Butler Performance Custom Short Block Kit, 389 Block, 447-454 ci, 4.250" Str (Unassembled)

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BP-SB-Kit-389-4250

  • Customized Butler Performance Short Block Kit
  • 4.250" Stroke
  • Great budget friendly package tailored to you
  • All short blocks undergo the "Butler Process"

Availability: 6-8 weeks (slightly longer for full custom pistons). Ships to business address. Residential or liftgate are available for additional charges
Pricing: $6,699.00

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Description

389 short block kit
Complete Internally Balanced rotating assembly prepped block

  • 4.250" Stroke cast or forged crank
  • Internally Balanced
  • Choose Flat Top, Dish, or Dome Pistons- Add head casting or head cc info at checkout and we will confirm compression ratio
  • Total Seal Rings- File Fit
  • 6.800 H-Beam Rods on 4.250" Stroke
  • Performance Rod Bearings
  • Performance Main bearings
  • 389 Block prepped block
    • cleaned
    • magnafluxed
    • sonic tested
    • completely deburred
    • bored and honed with torque plate
    • line honed with ARP main studs
    • deck squared
    • cam bearings and brass freeze plugs installed
    • ready to assemble

Included reusable engine cradle

Images for display purposes only and could show optional parts. Contact us for a custom quote for your application and specifications

Details

  • BP-SB-Kit-389-4250
  • BP-SB-Kit-389-4250
  • Butler Performance
  • 6-8 weeks (slightly longer for full custom pistons). Ships to business address. Residential or liftgate are available for additional charges
  • New

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