1978 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

ACL Direct Replacement Main Bearing Sets 5M590A-STD

Main Bearings, Aluglide, A-Series, Grooved, Bi-Metal, Aluminum/Tin/Silicon, Stock Size Crankshaft, Ford, Omega, 4.2L, 4.7L, 5.0L, 5.7L, Set of 5

Part Number: PEB-5M590A-STD

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Pioneer Performance Freeze Plugs PE-614-BR

EXP PLUG KIT- DEEP

Part Number: PIO-PE-614-BR

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Trans-Dapt Performance Steel Alternator Brackets 9321

Alternator Bracket, Steel, Chrome, Water Pump Mount, Long Water Pump, Chevy, Small Block, Each

Part Number: TRD-9321

5.0 out of 5 stars ( 4 )

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King SI-Series Main Bearings MB 529SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI030

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King SI-Series Main Bearings MB 529SI 040

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Ford, Small Block, Set of 5

Part Number: KGB-MB529SI040

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Melling Timing Chain Sets 3-494SB

Melling Timing Chain Sets 3-494SB

CHAIN-TIMING SET (3)

Part Number: MEL-3-494SB

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Cloyes Timing Camshaft Sprockets 2524

CAM GEAR

Part Number: CLO-2524

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Hastings Premium Ductile Ring Sets 2M592040

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

Part Number: HSN-2M592040

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Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Sealed Power Performance Piston Ring Sets E-229K 40

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Scorpion Endurance Marine Series Rocker Arms SCP4016-1

Rocker Arm, Endurance Marine Series, Full Roller, 1.8 Ratio, 7/16 in. Stud Size, Chevy, Big Block, Each

Part Number: SCC-SCP4016-1

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Proform Harmonic Balancer Covers 141-725

Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-141-725

4.5 out of 5 stars ( 2 )

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ARP Alternator Bracket Bolt Kits 450-3302

Alternator Bracket Bolts, Stainless Steel, Polished, Hex Head, Ford Small Block/Windsor, Set

Part Number: ARP-450-3302

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King SI-Series Main Bearings MB5650SI 030

Main Bearing, SI-Series, Silicon Aluminum, 0.030 in. Crankshaft Undersize, Ford, 429, 460, Set of 5

Part Number: KGB-MB5650SI030

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Scorpion Endurance Series Rocker Arms SCP3061-1

1.65F SBF N Head .150 Offset Right Endurance Single Rocker Arm w/ Polylock

Part Number: SCC-SCP3061-1

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Manley Race Series Stainless Steel Valves 11531-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Ford, Each

Part Number: MAN-11531-1

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

Manley Race Series Stainless Steel Valves 11329-1

Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 4.965 in. Length, Chevy, Each

Part Number: MAN-11329-1

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Manley Race Series Stainless Steel Valves 11532-1

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Ford, Each

Part Number: MAN-11532-1

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Milodon Megaflow Competition Valves 45385-1

Valve, Exhaust, Race, Stainless Steel, 1.725 in. Diameter, Ford, Big Block, 429 - 460, Each

Part Number: MIL-45385-1

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Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Engine Works P-Series Main Bearing Sets MS909P-010

Main Bearings, P Series, 010 in. Crankshaft Undersize, Tri Metal, Chevy, Small Block, Set of 5

Part Number: EW1-MS909P-010

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Melling Oil Pump Rebuild Kits K-83

KIT-O/P REPAIR

Part Number: MEL-K-83

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Cloyes Engine Timing Sets C-3002K

Timing Chain and Gear Set, Link Belt, Iron/Steel Sprockets, Mopar, 360, Set

Part Number: CLO-C-3002K

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 12339-1

Valves, VALVE-BRODIX BB 383 1.850

Part Number: MAN-12339-1

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Manley Severe Duty Series Stainless Steel Valves 11851-1

VALVE-S/D 1.625,+.100

Part Number: MAN-11851-1

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11856-1

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Part Number: MAN-11856-1

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Wiseco 4-Stroke Piston Rings 3218X

Piston Rings, X, Moly, 3.218 in. Bore, Harley-Davidson®, Set

Part Number: WIS-3218X

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Melling Oil Pump Screen Assemblies 86-CS1

Oil Pickup, Bolt-In, Stock Pan Style, 0.594 in. Tube Diameter, Ford, Mercury, L4, 2.3L, Each

Part Number: MEL-86-CS1

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Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today