19170538 427/454 MarkIV/Gen VI Bare Block

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P/N 19170538 427/454 MarkIV/Gen VI Bare Block

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List Price: $1,464.50
Superior Price: $1,220.60
You save $243.90!

Availability:: Usually Ships in 3 to 5 Business Days
Product Code: 19170538

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Description

• New casting incorporating the best designs of Mark IV
and Gen VI
• Production type cast iron 4-bolt block
• 4.25" finished bore
• 4.31" max bore (non-siamese bore)
• Machined fuel pump pad
• New water jackets for use with Mark IV heads
• Revised oiling to allow for bigger cam bearings/cam lift
• Bolt boss (not machined) added near distributor
hole like 8.1L
• Can be drilled for use with 10-bolt front timing cover
• Additional clearance added for roller timing chains
• Auxiliary oil pressure line added to front of block
• Racing style oil filter cast feature with added oil
pressure port
• Additional boss for manual transmission clutch
pivot (machined)
• Additional material added around lifter bosses

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