Butler Performance Custom Short Block, 455 Block, 467-474 cu. in. 4.250 Stroke (Assembled)

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SKU: BP-SB-455-4250

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(866)762-7527

Availability: Contact us for lead time

Description

462-501 CI short block
Complete Internally Balanced longrod rotating assembly &
high-performance prepped block

4.250" stroke cast or forged crank (4-Bolt Billet Mains Caps recommended for 4.5" stroke)
Internally Balanced
Choose Flat Top, Dish, or Dome Pistons- Add head casting or head cc info at checkout and we will confirm compression ratio
H-Beam Rods
File fit rings
Performance Rod bearings
Performance Main bearings
Includes Viton Rear Main Seal
455 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
- Assembled by a Butler Engine Specialist
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

455 Block		Head cc w/-8cc Flat top
Stroke	Bore	72cc	87cc	96cc
4.000"	4.181"	11.12	9.65	8.96
	4.211"	11.25	9.76	9.07
4.210"	4.181"	11.65	10.1	9.38
	4.211"	11.78	10.22	9.49
4.250"	4.181"	11.75	10.19	9.46
	4.211"	11.89	10.31	9.57
4.500"	4.181"	12.38	10.73	9.96
	4.211"	12.53	10.86	10.07
Click here to use our compression calculator to calculate compression with thicker head gaskets, decked block, or other variables.

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