OLDSMOBILE 7.5L/455 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Howards Cams 4/7 Swap Camshafts 514155-10

Howards Cams 4/7 Swap Camshafts 514155-10

Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 286/286, Lift .549/.549, Oldsmobile, V8, Each

Part Number: HRS-514155-10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Howards Cams American Muscle Hydraulic Flat Tappet Camshafts 517441-10

Camshaft, American Muscle, Hydraulic Flat Tappet, Advertised Duration 272/294, Lift .413/.414, Oldsmobile, V8, Each

Part Number: HRS-517441-10

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Howards Cams Rattler Camshafts 518045-09

Camshaft, Hydraulic Roller Tappet, Rattler, Advertised Duration 288/296, Lift .565/.565, Oldsmobile, V8, Each

Part Number: HRS-518045-09

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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COMP Cams Thumpr Hydraulic Roller Camshafts 42-601-11

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Howards Cams Rattler Camshafts 518101-09

Camshaft, Hydraulic Flat Tappet, Rattler, Advertised Duration 297/305, Lift .512/.528, Oldsmobile, V8, Each

Part Number: HRS-518101-09

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

COMP Cams Thumpr Hydraulic Roller Camshafts 42-600-11

Camshaft, Hydraulic Roller, Duration 283 Int./303 Exh., Lift 0.531 Int./0.515 Exh., Lobe Separation 107, Oldsmobile, 260-455, Each

Part Number: CCA-42-600-11

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

COMP Cams Adjustable Timing Sets 3113KT

Timing Chain and Gear Set, Adjustable, Double Roller, Billet Steel Sprockets, Oldsmobile, V8, Set

Part Number: CCA-3113KT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

RESTOPARTS® Manufactured Alternator Brackets C240548

Brackets, Alternator, 1966-72 Oldsmobile, Non-AC, Set

Part Number: OPG-C240548

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

PRW Harmonic Damper Bolts 1042260

BOLT, HARMONIC BALANCER, OLDS 260-455, 12-point, 5/8" wrenching, 5/8"-18 x 1.30" UHL

Part Number: PQX-1042260

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PRW Main Girdle Stud Kits 1000213

STUD KIT, MAIN GIRDLE, OLDS 455, incl PRW studs & hardwareStuds, PRW Fasteners & Hardware.

Part Number: PQX-1000213

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

PRW Harmonic Balancer Counterweights 2391022

Harmonic Balancer Counter Weight

Part Number: PQX-2391022

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Eagle H-Beam Connecting Rods CRS71003D

Connecting Rod, H-Beam, Forged 4340 Steel, Shot-Peened, 7.100 in. Length, Chevy, Big Block, Set of 8

Part Number: ESP-CRS71003D

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

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Eagle H-Beam Connecting Rods CRS71003D

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Estimated Ship Date: Today

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PRW Pro Series Billet Aluminum Rocker Arms 6528911

Rocker Arms, Pro Series, Full Roller, Aluminum, Black Anodized, 1.6/1.7 Ratio, 7/16 in. Stud, AMC, Oldsmobile, Ford, Set of 16

Part Number: PQX-6528911

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

PRW Pushrod Guideplates (PowerPlus+) 1145512-01

Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Oldsmobile, Each

Part Number: PQX-1145512-01

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

COMP Cams Endure-X Roller Lifters 849-16

Lifters, Mechanical Roller, Vertical Link Bar, Oldsmobile, Set of 16

Part Number: CCA-849-16

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5513S060

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

Part Number: HSN-2M5513S060

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5513

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

Part Number: HSN-2M5513

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5513060

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

Part Number: HSN-2M5513060

Not Yet Reviewed

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 661010

Piston Rings, Phosphate Coated, 4.135 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-661010

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

Melling Camshafts 25310

CAMSHAFT-ENGINE

Part Number: MEL-25310

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

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6000-4125

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.125 bore

Part Number: DMS-1-6000-4125

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

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6000-4155

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.155 bore

Part Number: DMS-1-6000-4155

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 1-6000-4185

Piston Set, 455 Olds. 1-FX Series -12cc Olds Flat Top Piston Set. 4.185 bore

Part Number: DMS-1-6000-4185

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 1-6003-4125

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.125 bore

Part Number: DMS-1-6003-4125

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

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6003-4155

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.155 bore

Part Number: DMS-1-6003-4155

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 1-6003-4185

Piston Set, 455 Olds. 1-FX Series -19cc Olds Dish Top Piston Set. 4.185 bore

Part Number: DMS-1-6003-4185

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