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Chevrolet Performance Bowtie Sportsman Race Blocks 19432546
Part Number: NAL-19432546
Chevrolet Performance Bowtie Sportsman Race Blocks
Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.560 in. Bore, 1-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each
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Estimated Ship Date from Texas: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
19432546
Part Type:
Product Line:
Summit Racing Part Number:
NAL-19432546
Main Journal Type:
Chevy 454
Engine Block Material:
Cast iron
Engine Block Style:
Aftermarket/OEM tall deck
Engine Block Deck Height:
Tall deck
Deck Height (in.):
10.200 in.
Cylinder Bore as Shipped:
4.560 in.
Cylinder Bore Diameter:
4.560 in.
Maximum Bore Diameter (in.):
4.600
Camshaft Location:
Standard
Main Bolt Style:
4-bolt
Main Caps Included:
Yes
Main Cap Material:
Nodular iron
Main Cap Fasteners Included:
Yes
Main Bearings Included:
No
Rear Main Seal Style:
1-piece
Finished Cylinder Bores:
Yes
Raised Cam Location:
No
Cam Bearings Included:
No
Freeze Plugs Included:
No
Remanufactured:
No
Quantity:
Sold individually.
Chevrolet Performance Bowtie Sportsman Race Blocks
These are the blocks to buy if you want to build a serious street car or if you want to head to the race track! Chevrolet Performance Bowtie Sportsman blocks have been the starting point for countless racing engines. These iron blocks are available in a variety of finish options to build almost any engine combination. Most of these blocks have siamesed cylinder walls and 4-bolt main caps that are secured by Grade 8 bolts. All blocks in this family have a 9.025 in. deck height. The Bowtie Sportsman blocks are a great foundation for your serious street car, circle track, or drag car that makes between 350 and 500 hp.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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