BUICK RIVIERA Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Earl's Performance Billet Aluminum Sandwich-Style Oil Thermostats 503ERL

Adapter, Oil Thermostat, Sandwich, Aluminum, Natural, 13/16-16 in. Thread, -10 AN O-Ring Inlet/Outlet, Each

Part Number: EAR-503ERL

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Speed-Pro Competition Series Main Bearings 157M10

Main Bearings, Competition Series, 0.010 in. Crankshaft Undersize, Tri Metal, 3/4 Groove, Buick, 455, Set of 5

Part Number: SLP-157M10

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Sealed Power Performance Piston Ring Sets E-288K

Sealed Power Performance Piston Ring Sets E-288K

Piston Rings, Moly, 3.800 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-288K

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Sealed Power Cast Piston Rings E-287X 30

Piston Rings, Cast Iron, 4.218 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-287X30

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Sealed Power Main Bearing Sets 4294M 30

Main Bearings, 0.030 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Edelbrock Performer-Link True Roller Timing Chain Sets 7840

Timing Chain and Gear Set, Performer-Link, Single Roller, True Roller, Iron/Steel Sprockets, Buick, V8, Set

Part Number: EDL-7840

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

King XP-Series Main Bearings MB5511XP STDX

Main Bearings, XP-Series, 1/2 Groove, Standard Size, Tri Metal, Pontiac V8, Set of 5

Part Number: KGB-MB5511XPSTDX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Melling Replacement Rocker Arm Shafts MRS-665K

Rocker Arm Shafts, Replacement, Non-roller, Steel, Natural, Rockers, Buick, Buick 7.5L, Oldsmobile 7.5L, Kit

Part Number: MEL-MRS-665K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Clevite P-Series Main Bearings MS-805P

Main Bearings, P Series, 1/2 Groove, Standard Size, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set of 5

Part Number: CLE-MS805P

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

King HP-Series Main Bearings MB5511HP 010

Main Bearings, King HP-Series Main Bearings, .010 in., .25 mm Crankshaft Undersize, Bi-Metal, Pontiac, Sold as a Set

Part Number: KGB-MB5511HP010

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5518005

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

Part Number: HSN-2M5518005

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Sealed Power Main Bearing Sets 4281M 10

Main Bearings, .010 in., Tri Metal, Full Groove, Oldsmobile, 4.3L, 5.0L, 5.4L, 5.7, 403, Gas Engines, Set of 5

Part Number: SLP-4281M10

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hastings Piston Ring Sets 437040

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-437040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

King XP-Series Coated Main Bearings MB 557XPC 020

Main Bearing Set, GENERAL MOTORS 262, 267, 302, 307, 327, 350 - pMaxKote

Part Number: KGB-MB557XPC020

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Clevite P-Series Main Bearings MS-805P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Oldsmobile, 260, 307, 330, 350, 403, Set 5

Part Number: CLE-MS805P20

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Melling M-Select Class 1 Camshafts MTO-1

Torque Camshaft

Part Number: MEL-MTO-1

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hastings Premium Ductile Ring Sets 2M437040

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

Part Number: HSN-2M437040

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Sealed Power Performance Piston Ring Sets E-434K 30

Premium Piston Ring Set;

Part Number: SLP-E-434K30

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hastings Premium Ductile Ring Sets 2M4454030

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

Part Number: HSN-2M4454030

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4454020

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

Part Number: HSN-2M4454020

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Sealed Power Main Bearing Sets 4294M 20

Main Bearings, 0.020 Tri Metal, Full Groove, 4.3, 5.7 Diesel, 400, 425, 455 Gas, Oldsmobile, Set of 5

Part Number: SLP-4294M20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026

Hastings Premium Ductile Ring Sets 2M645030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.342 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M645030

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Clevite P-Series Main Bearings MS-908P-20

Main Bearings, P Series, 1/2 Groove, .020 in. Crankshaft Undersize, Tri Metal, Buick, 400, 430, 455, Set of 5

Part Number: CLE-MS908P20

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M437030

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

Part Number: HSN-2M437030

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Speed-Pro Competition Series Main Bearings 4418M 10

Main Bearings, Competition Series, 0.010 in. Crankshaft Undersize, Tri Metal, 1/2 Groove, Buick, 340, 350, Set of 5

Part Number: SLP-4418M10

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Estimated Ship Date: Monday 1/5/2026