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427/454 BARE BLOCK 19170538
19170538
Was:
$2,896.55
Sale:
$2,672.07
Save:
8%
Save:
$224.48
Description
Replaces 12561353
- New design casting incorporating the best designs of Mark IV and Gen VI
- Production type cast-iron 4-bolt block
- 4.250” finished bore
- 4.310” max bore (non-siamese bore)
- Machined fuel pump pad
- New water jackets for use with Mark IV or Gen VI 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 the 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
Details
- 19170538
- 19170538
- Classic Chevrolet Performance
- New
Categories
Shipping Information
- Item Requires Shipping
- Free Shipping on Orders over $500 and Free Liftgate!
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