1990 GMC Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

King SI-Series Main Bearings MB 445SI 001

Main Bearings, 1/2 Groove, .001 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI001

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Melling High-Pressure Oil Pump Springs 5556F

Melling High-Pressure Oil Pump Springs 5556F

Oil Pump Springs, 55 psi of Force, Steel, Chevy, Small Block, Each

Part Number: MEL-5556F

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Enginetech Piston Ring Sets M40056-STD

Engine Piston Ring Set 65-14 CHV/FRD/GM/GMC/OLD/PON 3.9L/4.3L/4.9L

Part Number: EGN-M40056STD

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Enginetech Piston Ring Sets R40056-020

Engine Piston Ring Set 65-95 CHV/FRD/GM/GMC/OLD/PON 3.9L/4.3L/4.9L

Part Number: EGN-R40056020

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

PRW Pushrod Guideplates (PowerPlus+) 1145402-01

Guideplates, PowerPlus+, Raised, Steel, Black Oxide, 7/16 in. Pushrod Size, Chevrolet, Each

Part Number: PQX-1145402-01

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

ACDelco GM Genuine Parts Hydraulic Roller Lifters 05234890

Lifter, Hydraulic Roller, 0.842 in. O.D., Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-HL112

Not Yet Reviewed

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Enginetech Engine Expansion Plug Kits PK1

Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

King SI-Series Rod Bearings CR6683SI0.25

Rod Bearings, SI-Series, Silicon Aluminum, 0.25mm. Crankshaft Undersize, Chevy, GMC, Oldsmobile, Pontiac, Set of 6

Part Number: KGB-CR6683SI025

Not Yet Reviewed

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Sealed Power A-Series Rod Bearings 2555A 30

Rod Bearing, 0.030 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555A30

Not Yet Reviewed

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Dayco No Slack Automatic Belt Tensioners 89225

Belt Tensioner, Automatic No Slack, Chevy, GMC, Each

Part Number: DAC-89225

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King SI-Series Rod Bearings CR4494SI 020

Rod Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, AMC, Buick, Chevrolet, GMC, Jeep, Oldsmobile, Pontiac, 2.5L, Set of 4

Part Number: KGB-CR4494SI020

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Continental Replacement Tensioner Pulleys 49013

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: CEL-49013

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Dorman Expansion Plugs 555-104

Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10

Part Number: RNB-555-104

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Dorman Expansion Plugs 555-087

Expansion Plugs, Steel, Diameter 1.638 in., Various, Each

Part Number: RNB-555-087

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Perma-Cool Oil Filter Relocation Kits 10612

Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, 18mm x 1.5 Engine Threads, Kit

Part Number: PRM-10612

Not Yet Reviewed

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Pioneer Automotive Connecting Rod Bolts S-1035

CONN ROD BOLTS

Part Number: PIO-S-1035

Not Yet Reviewed

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Enginetech Rod Bearings BB623J020

Engine Connecting Rod Bearing 85-14 CHV/GM/GMC/IZU/OLD/PON 4.3L

Part Number: EGN-BB623J020

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Pioneer Automotive Valve Locks SS-555-HD

Valve Locks

Part Number: PIO-SS-555-HD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Enginetech Rod Bearings BB353J010

Engine Connecting Rod Bearing 67-17 BUI/CAD/CHV/GM/GMC/Hummer/IZU/OLD/PON/SAB 4.3L/4.4L/4.6L/4.8L/4.9L/5.0L/5.3L/5.7L/6.0L/6.2L/6.6L/7.0L

Part Number: EGN-BB353J010

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Cloyes Heavy-Duty Timing Sets C-3074

Timing Chain and Gear Set, Heavy Duty, Double Roller, Iron/Billet Steel Sprockets, Chevy, GMC, 395, Set

Part Number: CLO-C-3074

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

MAHLE Original Pistons 224-3543WR.030

Piston With Rings - GM 5.7L (350) V8 DISH CT (030) W/PR MOLY

Part Number: MAH-2243543WR030

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

King SI-Series Rod Bearings CR4519SI 040

Connecting rod bearing

Part Number: KGB-CR4519SI040

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M5499030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 3.765 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5499030

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

K&N Select Oil Filters SO-1001

Oil Filter, Select, Canister, Black, M18 x 1.5 Thread, 3.11 in. Tall, 2.98 in. Diameter, Anti-Drainback, Each

Part Number: KNN-SO-1001

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M5515S125

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5515S125

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today