Cylinder Heads

Cylinder Head, Aluminum, Assembled, Intake Valve, Exhaust Valve, Chevrolet, Small Block, Gen V, Each

Part Number: ADO-12699617

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Estimated Ship Date: Today

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• $20 Summit Bucks

Engine Coolant Plug Fasteners, GM Genuine Parts, Bolt Style, Hex Head, M12 x 1.5 Thread Size, Steel, Buick, Cadillac, Chevy, GMC, Isuzu, Saturn, Each

Part Number: ADO-11610259

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Estimated Ship Date: Today

• $20 Summit Bucks

Engine Cylinder Head Bolt, Engine Cylinder Head Bolt, BOLT/SCREW

Part Number: ADO-11610687

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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Cylinder Head Fasteners, Cylinder Headbolts, M9 x 1.25 Thread, Steel, Natural, Each

Part Number: ADO-55566811

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Estimated Ship Date: Today

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Engine Cylinder Head Bolt, Engine Cylinder Head Bolt, BOLT/SCREW,CYL HD

Part Number: ADO-19352499

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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Cylinder Head Fasteners, OE Replacement, Bolt Style, 12-point Head, Steel, Natural, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-11610681

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Estimated Ship Date: Today

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Engine Cylinder Head Assembly, Engine Cylinder Head Assembly, HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12703173

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Estimated Ship Date: Today

• Core Charge $75.00
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• $20 Summit Bucks

HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12672799

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Estimated Ship Date: Jan 13, 2026 if ordered today

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• $20 Summit Bucks
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SEAT,INT VLV

Part Number: ADO-97212571

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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SEAT,EXH VLV

Part Number: ADO-97212572

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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SEAT,INT VLV

Part Number: ADO-96388702

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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SEAT,INT VLV

Part Number: ADO-96395219

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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HEAD ASM,CYL (W/ VLV)

Part Number: ADO-24590781

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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HEAD ASM-CYL (MCHG)

Part Number: ADO-25195269

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Estimated Ship Date: Jan 19, 2026 if ordered today

• Core Charge $75.00
• Free Shipping
• $20 Summit Bucks
• Special Order

SEAT,EXH VLV SPR

Part Number: ADO-96388703

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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Cylinder Head Fasteners, OE Replacement, Bolt Style, Hex Head, M11 x 2.0 Thread, Steel, Natural, Buick, Chevrolet, GMC, Hummer, Isuzu, Olds, Each

Part Number: ADO-11609709

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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HEAD,CYL (W/VLVS)

Part Number: ADO-12641095

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Estimated Ship Date: Jan 19, 2026 if ordered today

• Core Charge $75.00
• Free Shipping
• $20 Summit Bucks
• Special Order

HEAD ASM-CYL (MCHG)

Part Number: ADO-12608280

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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HEAD ASM-CYL (MCHG)

Part Number: ADO-12578243

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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GUIDE,VLV

Part Number: ADO-09158569

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12708352

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12708357

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12729680

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
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HEAD ASM-CYL (MCHG) (LH LFX W/SAI)

Part Number: ADO-12633962

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Estimated Ship Date: Jan 19, 2026 if ordered today

• Core Charge $75.00
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• $20 Summit Bucks
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HEAD ASM-CYL (W/ VLV)

Part Number: ADO-12691726

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Estimated Ship Date: Jan 19, 2026 if ordered today

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• $20 Summit Bucks
• Special Order