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

Sealed Power CP-Series Rod Bearings 2555CP 30

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

Part Number: SLP-2555CP30

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Melling High-Pressure Oil Pump Springs 77060

Melling High-Pressure Oil Pump Springs 77060

Oil Pump Springs, 60 psi, Steel, Blue, Pins, Chevy, Big Block, Kit

Part Number: MEL-77060

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Melling Engine Expansion Plug Kits MPE-180BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

WIX Filters Crankcase Breather Elements 42995

Crankcase Breather Element, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WIX-42995

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

PRW Billet Rocker Arm Stud Girdles 1535003

Rocker Arm Stud Girdle, Solid Bar, Polylock, Aluminum, Natural, Chevrolet, Stock Heads, Kit

Part Number: PQX-1535003

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 11, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8569030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.280 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M8569030

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Cloyes Replacement Timing Chains 9-135

Replacement Timing Chain, True Roller, Chevy, Merlin , Raised Cam, 454, Chry. 273-360/392, Chain Only, Each

Part Number: CLO-9-135

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 24, 2026 if ordered today

Clevite AL-Series Rod Bearings CB-1358A(6)

Rod Bearings, AL Series, Standard Size, AL-5, Chevy, 4.3L V6, Set of 6

Part Number: CLE-CB1358A6

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M592020

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M592020

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Timken Harmonic Balancer Repair Sleeves 88176

Repair Sleeve, Harmonic Balancer, Steel, Each

Part Number: TMK-88176

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Clevite AL-Series Rod Bearings CB-610A(4)

Rod Bearings, AL Series, Stock Size, AL-5, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, 2.5L, Set of 4

Part Number: CLE-CB610A4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pioneer Balancers DA-3071

Harmonic Balancer, Internal Balance, 6.730 in. Diameter, Nodular Iron, Chevy/GMC/Pontiac, Small Block, Each

Part Number: PIO-DA-3071

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATP Graywerks Harmonic Balancers 102075

4.25 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

King SI-Series Main Bearings MB5212SI 020

Main Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, GMC, Big Block, Set of 5

Part Number: KGB-MB5212SI020

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 7, 2026 if ordered today

Cloyes Replacement Timing Chains 9-146

Replacement Timing Chain, True Roller, Chrysler/Chevy Big Blocks/Ford 429-460, Chain Only, Each

Part Number: CLO-9-146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M5547

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5547

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

COMP Cams Xtreme Energy Cam and Lifter Kits K12-256-4

Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 256/268, Lift .449/.456, Chevy Small Block

Part Number: CCA-K12-256-4

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sealed Power Main Bearing Sets 7122MA 10

Main Bearings, Tri Metal Copper-lead Alloy, 0.010 in. Crankshaft Crankshaft Undersize, Chevy, Big Block, Set of 5

Part Number: SLP-7122MA10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Sealed Power High-Volume Oil Pumps 22443469V

Oil Pump, High-Volume, Chevy, 5.0/5.7L, Each

Part Number: SLP-224-43469V

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATI Replacement Hubs ATI916951K

Balancer Hub, Internal Engine Balance, Buick, Chevy, GMC, Olds, Pontiac, Chevy Small Block, Each

Part Number: ATI-916951K

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

Hamburger's Performance Street Performance LS Swap Oil Pans 0174

Oil Pans, LS SWAP OIL PAN WITH 90 DEGREE FITTINGS CHROME

Part Number: HAM-0174

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 8, 2026 if ordered today

Melling Stock Replacement Cam and Lifter Kits CL-CCS-23

KIT-ENGINE CAMSHAFT/LIFTER

Part Number: MEL-CL-CCS-23

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Engine Timing Tabs 635-550

Timing Pointer, Steel, Chrome, Chevy, GMC, Big Block, Each

Part Number: RNB-635-550

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ACDelco V-Ribbed Accessory Belts 88934370

Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 61.58 in. Length, Buick, Cadillac, Chevy, Chrysler, Dodge, GMC, International, Olds, Saab, Each

Part Number: ADO-15612

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Pioneer Replacement Cylinder Head Fasteners S-454

Cylinder Head Bolts, Hex Head, Stock Style, Chevrolet, BBC, Kit

Part Number: PIO-S-454

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

King SI-Series Rod Bearings CR 865SI 020

Rod Bearings, .020 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI020

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today