Chevrolet Performance Engines & Components

BLOCK

Part Number: NAL-25534406

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Estimated Ship Date: May 11, 2026 if ordered today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.117- 4.155 in. Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-12480175

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Estimated Ship Date: Jun 1, 2026 if ordered today

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STUD

Part Number: NAL-3866604

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Crankshaft Keys

Part Number: NAL-106751

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Timing cover bolt, Size 1/4 inch, 20 fine thread, 0.62 length, Compatible with timing cover P/N 12342089, Each

Part Number: NAL-11561767

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Estimated Ship Date: Jun 1, 2026 if ordered today

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LIFTER KIT

Part Number: NAL-SDR43910

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Estimated Ship Date: May 14, 2026 if ordered today

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LIFTERS& NON DOD

Part Number: NAL-SDR43910-12

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Estimated Ship Date: May 14, 2026 if ordered today

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HEAD ASM

Part Number: NAL-97779579

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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F-HEAD

Part Number: NAL-12555630

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

• Freight Charge
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BOLT TENSIONER

Part Number: NAL-11588747

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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BOLT-COMPRESSOR TO BRACKET

Part Number: NAL-11588752

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Estimated Ship Date: May 28, 2026 if ordered today

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CYLINDER HEAD

Part Number: NAL-25534393

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Estimated Ship Date: May 18, 2026 if ordered today

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Cylinder Head, Aluminum, 54cc Combustion Chamber, Chevy, Small Block, SB2.2, Each

Part Number: NAL-12480011

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Estimated Ship Date: May 18, 2026 if ordered today

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HEAD, CYL

Part Number: NAL-12480129

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Estimated Ship Date: May 18, 2026 if ordered today

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CYLINDER HEAD

Part Number: NAL-12629058

Not Yet Reviewed

• Core Charge $75.00
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HEAD ASM W/VALVE,BOWTIE RECTANGULAR PORT 572/620

Part Number: NAL-19331429

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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camshaft bearings

Part Number: NAL-12453171

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Connecting Rod Bolt, Single Bolt, Chevy, Small Block, LS7, Each

Part Number: NAL-11609825

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Cast Iron L31 Vortec Small Block Chevrolet Assembled Cylinder Head

Part Number: NAL-19436449

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Estimated Ship Date: May 21, 2026 if ordered today

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STUD

Part Number: NAL-12561389

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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VALVE SPRING EACH

Part Number: NAL-19418908

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Estimated Ship Date: May 18, 2026 if ordered today

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BEARING K

Part Number: NAL-12523924

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Estimated Ship Date: May 14, 2026 if ordered today

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RKR F-ARM

Part Number: NAL-10066063

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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ARM KIT-VLV RKR

Part Number: NAL-12675724

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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F-ARM KIT

Part Number: NAL-19210726

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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