OLDSMOBILE 7.5L/455 Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Hastings Piston Ring Sets 2M661020

Piston Rings, Plasma-moly, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M661020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Hastings Piston Ring Sets 661S030

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-661S030

Not Yet Reviewed

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D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6000-4125

D.S.S. FX-Series Forged 2618 Alloy Pistons 2-6000-4125

Piston Set, 455 Olds. 2-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-2-6000-4125

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Milodon Main Stud Kits 81219

Main Studs, 2-Bolt Main, with Windage Tray, Oldsmobile, 400, 425, 455, Kit

Part Number: MIL-81219

3.75 out of 5 stars ( 4 )

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COMP Cams Hydraulic Roller Lifters 857-16

Lifters, Hydraulic Roller, Vertical Link Bar, Oldsmobile, Pontiac, Set of 16

Part Number: CCA-857-16

3.4 out of 5 stars ( 5 )

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ATP Engine Oil Pans 103034

Oil Pan, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-103034

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6003-4165

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.165 bore

Part Number: DMS-1-6003-4165

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6000-4165

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.165 bore

Part Number: DMS-1-6000-4165

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Dorman Smog Pump Pulleys 300-913

Pulley, Smog Pump, Steel, Black, 1-Groove, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RNB-300-913

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Edelbrock Stainless Steel Valves 9318

Valves, Exhaust, Stainless Steel, 1.680 in. Diameter, 0.341 in. Diameter Stem, Oldsmobile, V8, Set of 8

Part Number: EDL-9318

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

Moroso Marine Oil Pans 21631

Oil Pan, Steel, Black Powdercoated, 10 qt., Oldsmobile, V8, Each

Part Number: MOR-21631

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

Isky Hydraulic Flat Tappet Cam and Lifter Kits CL691270

Camshaft Kit, Hydraulic Flat Tappet, Advertised Duration 270/270, Lift 0.470/0.470, Oldsmobile, V8, Kit

Part Number: ISK-CL-691270

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Continental OE Technology Series V-belts 15572

Belt, Elite, V-Belt, 7/16 in. Width, 56.50 in. Length, Each

Part Number: CEL-15572

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

ATP Graywerks Harmonic Balancers 102122

Harmonic Balancer, External Balance, Nodular Iron, Buick, Cadillac, Oldsmobile, Pontiac, V8, Each

Part Number: ATP-102122

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Clear View Filtration Oil Filter Block Adapters 215-B

Oil Filter Adapter, Non-bypass Block Adapter, 13/16-16 in. Nipple Thread, -12 AN Inlet/Outlet, Black Anodized, Pontiac, Olds, Each

Part Number: BCN-215-B

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Melling Valve Springs VS-720

Valve Springs, Single, 1.425/1.449 in. Diameter, 76-84 lbs. Seat Pressure, 1.110 in. Coil Bind Height, Each

Part Number: MEL-VS-720

Not Yet Reviewed

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Pioneer Shaft Keys PK-9-100

Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 3/16 in. Tall, AMC, Buick, Cadillac, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Set of 100

Part Number: PIO-PK-9-100

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

King CP-Series Rod Bearings CR 815CP 030

Rod Bearings, .030 in Crankshaft Undersize, Tri Metal Copper-Lead Alloy, Set of 8

Part Number: KGB-CR815CP030

Not Yet Reviewed

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KB Performance Hyper Piston and Ring Kits KB277KTM.030

Piston and Ring Kit, Hypereutectic, Dish, 4.156 in. Bore, Oldsmobile, V8, Kit

Part Number: UEM-KB277KTM-030

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

ARP Pro Series Cylinder Head Studs 185-4201

Cylinder Head Studs, Pro Series, 12-Point Nuts, Oldsmobile 455, 7/16 in., Stock, Edelbrock Performer Heads

Part Number: ARP-185-4201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Howards Cams 4/7 Swap Camshafts 514825-12

Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 278/282, Lift .560/.555, Oldsmobile, V8, Each

Part Number: HRS-514825-12

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Lares Power Steering Pulleys 151

Pulley, Power Steering Pump, GM Type II Pump, Aluminum, Black Anodized, Each

Part Number: LSC-151

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Standard Motor PCV Valve Cover Grommets GV16

Valve Cover Grommet, PCV, Rubber, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-GV16

Not Yet Reviewed

Estimated Ship Date: Today

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Continental OE Technology Series V-belts 15646

Belt, Elite, V-Belt, 7/16 in. Width, 64.00 in. Length, Each

Part Number: CEL-15646

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

COMP Cams High Energy Cam and Lifter Kits K42-228-4

Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 260/260, Lift .447/.447, Oldsmobile V8, Kit

Part Number: CCA-K42-228-4

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today