Chevrolet Performance Parts and Accessories

Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19170538

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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TRANSMISSION INSTALL KIT

Part Number: NAL-19329912

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Estimated Ship Date: Today

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Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-19433406

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Estimated Ship Date: May 13, 2026 if ordered today

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Engine Block, Bowtie, Cast Iron, 4.494 in. Bore, 9.800 in. Deck, Chevy, Big Block Gen V, Each

Part Number: NAL-19212191

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 13, 2026 if ordered today

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TRANSMISSION

Part Number: NAL-19431764

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Estimated Ship Date: May 12, 2026 if ordered today

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TRANSMISSION

Part Number: NAL-19431753

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Estimated Ship Date: May 12, 2026 if ordered today

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CRATE ENGINE

Part Number: NAL-12699328

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $7,000.00
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TRANS REM

Part Number: NAL-12491893

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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TRANS REM

Part Number: NAL-12491894

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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TRANS REM

Part Number: NAL-19180256

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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MANUAL TRANS INSTALL KIT

Part Number: NAL-19329902

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Estimated Ship Date: May 13, 2026 if ordered today

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LT1 CAM and Head Kit

Part Number: NAL-19333525

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Estimated Ship Date: May 13, 2026 if ordered today

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Automatic Transmission, Remanufactured, GM LS, 4L65E, RWD, Each

Part Number: NAL-19368611

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Estimated Ship Date: May 13, 2026 if ordered today

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Automatic Transmission, Remanufactured, 4L70-E, 3.06 First Gear, GM, LS, Each

Part Number: NAL-19368612

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Estimated Ship Date: May 13, 2026 if ordered today

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Cylinder Head, LSX-SC, As-Cast, 70cc Combustion Chamber, Bare, Aluminum, Natural, Chevy, Each

Part Number: NAL-19417408

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Estimated Ship Date: May 13, 2026 if ordered today

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TRANSMISSION

Part Number: NAL-19431742

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $2,000.00
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TRANSMISSION

Part Number: NAL-19431743

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Estimated Ship Date: May 13, 2026 if ordered today

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TRANSMISSION

Part Number: NAL-19431747

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Estimated Ship Date: May 13, 2026 if ordered today

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TRANSMISSION EXPRESS

Part Number: NAL-19431756

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Estimated Ship Date: May 13, 2026 if ordered today

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TRANSMISSION ASM,AUTO 8DCA (SERVICE R*PROGRAMMING

Part Number: NAL-19431758

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Estimated Ship Date: May 13, 2026 if ordered today

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ENGINE

Part Number: NAL-19433913

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $2,500.00
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TRANS REM

Part Number: NAL-89037510

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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TRANS REM

Part Number: NAL-89037514

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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REMAN TRANSMISSION

Part Number: NAL-17803779

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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4L60E TRANSMISSION

Part Number: NAL-17803789

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Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $700.00
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