2012 CHEVROLET Engine Blocks & Accessories Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Chevrolet Performance Expansion Plugs 9427693

Engine Expansion Plug, Brass, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: NAL-9427693

5.0 out of 5 stars ( 4 )

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Philadelphia Racing Products Oil Diverter Barbells PRP-4575

Philadelphia Racing Products Oil Diverter Barbells PRP-4575

Oil Diverter Barbell, Aluminum, Chevy, LS, Each

Part Number: PGP-PRP-4575

2.75 out of 5 stars ( 4 )

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Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-POL

Lifter Valley Cover, Finned, Aluminum, Polished, Chevy, LS, Each

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

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Melling Engine Expansion Plug Kits MPE-901BR

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

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BTR Engine Coolant Plugs BTRPLUGKIT

Engine Expansion Plugs, Bare Block Plug Kit, Includes Plugs for Large and Small Coolant, Plug Core, and Oil Galley, Chevy, LS Kit

Part Number: BTC-BTRPLUGKIT

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Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

Engine Valley Cover, Finned, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81045BK

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Summit Racing™ Oil Cooler Block-Off Plates SUM-121029

Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 1/8 in. NPT Ports, Chevy, LS, Each

Part Number: SUM-121029

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Dorman Oil Line Block-Off Plate Kits 99971

Oil Line Block-Off Plate, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-99971

2.0 out of 5 stars ( 1 )

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Moroso Deck Plug Kits 37800

Deck Plug Kit, Steel, Black Oxide, 3/4 in. NPT, Chevy, Small Block/90 Degree V6, Set of 6

Part Number: MOR-37800

5.0 out of 5 stars ( 1 )

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Summit Racing™ LS Finned Aluminum Valley Covers SUM-240065-SAT

Lifter Valley Cover, Finned, Aluminum, Natural, Chevy, LS, Each

Part Number: SUM-240065-SAT

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Melling Engine Expansion Plug Kits MPE-185BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

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Dura-Bond Engine Hardware Finishing Kits FKC-7B

Engine Hardware Kits, Engine Hardware Finishing Kits, Cylinder Head Dowels, Cam Thrust Plate Bolts, Woodruff Keys, Chevrolet, Small Block LS, Kit

Part Number: DUR-FKC-7B

Not Yet Reviewed

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Summit Racing™ Rear Main Seal Housings SUM-01-8576

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Black Andoized, Chevy, LS, Each

Part Number: SUM-01-8576

Not Yet Reviewed

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Summit Racing™ Oil Cooler Block-Off Plates SUM-121025

Oil Cooler Block-Off Plate, Billet Aluminum, Clear Anodized, Chevy, LS, Each

Part Number: SUM-121025

5.0 out of 5 stars ( 1 )

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Dorman Main Cap Bolts 45691

Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

BTR Engine Expansion Plugs BTR27693

Engine Expansion Plugs, BTR Plug Core, 0.625 in. Diameter, 0.25 in. Thick

Part Number: BTC-BTR27693

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Philadelphia Racing Products Oil Cooler Block-Off Kits PRP-4526

Oil Cooler Block-Off Plate, Aluminum, Black Anodized, 1/8 in. NPT Port, Chevy, LS, Each

Part Number: PGP-PRP-4526

Not Yet Reviewed

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Melling Cylinder Sleeves CSL9349F

Cylinder Sleeve, 2.4L, 2,405/2,409/2384cc, 145/146/147 CID, Each

Part Number: MEL-CSL9349F

Not Yet Reviewed

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Engine Works Freeze Plugs 561663

LS BRASS ENGINE BLOCK PLUG OE GM#12561663 - 1

Part Number: EW1-561663

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ACDelco GM Genuine Parts Main Bearing Cap Bolts 12561388

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

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BTR Engine Coolant Plugs BTR88949

Engine Expansion Plugs, BTR Small Coolant Plug, Zinc Plated

Part Number: BTC-BTR88949

5.0 out of 5 stars ( 1 )

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Summit Racing™ Rear Main Seal Housings SUM-01-8571

Housing, Rear Main Seal, Billet Aluminum, Rear Main Included, Gasket,Clear Andoized, Chevy, LS, Each

Part Number: SUM-01-8571

Not Yet Reviewed

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PRW Main Cap Stud Kits 1000323

Main Studs, SCM-4140 Alloy Steel, 12-Point, 2-Bolt, Chevy, 6.6L, Duramax Diesel, LBZ/LMM, Kit

Part Number: PQX-1000323

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Extreme Duty Main Studs SUM-910523

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Engine Works Freeze Plug Sets 561663-KIT

GM LS FREEZE PLUG KIT

Part Number: EW1-561663-KIT

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Engine Works Cylinder Head Dowel Pins 570326

Cylinder Head Dowel Pins, Chevy, Small Block, LS Engines, Set of 4

Part Number: EW1-570326

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