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Butler Performance Custom Short Block Kit, 400 Block, 471-478 ci, 4.350" Str (Unassembled)
BP-SB-Kit-400-4350
- Customized Butler Performance Short Block Kit
- Option to send us your block
- Choose Bore Size, Stroke, Crank, & Rod
- 4.350" Stroke
- Create a custom package tailored to you
- All short blocks undergo the "Butler Process"
Availability: 10-12 weeks (slightly longer for full custom pistons). Ships to business address. Residential or liftgate are available for additional charges
Was:
$6,649.00
Sale:
$5,984.10
Description
434-494 CI short block kit
Complete Internally Balanced longrod rotating assembly &
high-performance prepped block
- 4.350" stroke cast or forged crank (4-Bolt Billet Mains Caps recommended for 4.5" stroke)
- Internally Balanced
- Ross Racing Pistons-Flat Top (Dish or Dome/additional charge)
- H-Beam Rods
- File fit rings
- Performance Rod bearings
- Performance Main bearings
- 400 Performance 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
- Can be upgraded with various options
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
Compression Calculator
400 Block | Head cc w/-8cc Flat top | |||
Stroke | Bore | 72cc | 87cc | 96cc |
3.750" | 4.155" | 10.38 | 9.02 | 8.38 |
4.181" | 10.48 | 9.11 | 8.46 | |
4.000" | 4.155" |
11 | 9.55 | 8.87 |
4.181" | 11.12 | 9.65 | 8.96 | |
4.210" | 4.155" | 11.53 | 10 | 9.28 |
4.181" | 11.65 | 10.1 | 9.38 | |
4.250" | 4.155" | 11.63 | 10.09 | 9.36 |
4.181" | 11.75 | 10.19 | 9.46 | |
4.500" | 4.155" | 12.25 | 10.62 | 9.85 |
4.181" | 12.38 | 10.73 | 9.96 | |
Click here to use our compression calculator to calculate compression with thicker head gaskets, decked block, or other variables. |
Details
- BP-SB-Kit-400-4350
- BP-SB-Kit-400-4350
- Butler Performance
- 10-12 weeks (slightly longer for full custom pistons). Ships to business address. Residential or liftgate are available for additional charges
- New
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