CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engine Blocks & Accessories

Freeze Plugs, Brass, Threaded, Chevy, Small Block LS, Kit

Part Number: MRG-61210G

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Freeze Plugs, Brass/Steel, Chevrolet, GM LS Engine, Kit

Part Number: PIO-PE-496-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/21/2025

Oil Cooler Delete Plate, Aluminum, Natural, Chevy, LS, 5.7L, Each

Part Number: NAL-12551587

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/21/2025

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: RHS-54903U

Not Yet Reviewed

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• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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

Estimated Ship Date: Monday 7/21/2025

Oil Diverter Barbell, Aluminum, Chevy, LS, Each

Part Number: PGP-PRP-4575

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

Engine Hardware Kits, Brass Freeze Plugs, Coated Camshaft Bearings, Dowel Pins, Chevrolet, LS, Kit

Part Number: DRT-32000016

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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LS Rear Main Seal Adapter Bolts LS1, LS3, LS2, LSX, Set of 12

Part Number: ICB-551435

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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 )

Estimated Ship Date: Monday 7/21/2025

DOWEL PIN, FOR LS BLOCK MAIN CAPS

Part Number: RHS-549201-1

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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

Part Number: SUM-240065-POL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

Rear Motor Cover Bolts, Hex Head, Stainless Steel, Polished, Washers, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: ARP-434-1503

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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

Part Number: SUM-121029

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Main Cap Fastener, Bolt, 6-bolt Main Bolt Style, External Hex Head, Chevrolet, Small Block LS, Each

Part Number: BTC-BTR60272

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 90* 1/8 in. NPT Ports, Chevy, LS, Each

Part Number: SUM-121027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

Main Cap Fastener, Bolt, 6-bolt Main Bolt Style, External Hex Head, Works with Windage Tray, Chevrolet, Small Block LS, Each

Part Number: BTC-BTR60273

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

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

Part Number: TSN-81045BK

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Engine Valley Cover, Gen. 4 LS2/LS3/LS7, Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: BSP-95055

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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

Part Number: SUM-240065-SAT

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 0.0750 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/21/2025

Piston Oiler Kit, Billet Steel Squirters, Chevy, Small Block LS, Kit

Part Number: RHS-549120

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 22, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

MAIN CAP 8620 STEEL FOR RHS LS Alumiunum Race Blocks

Part Number: RHS-549100-1

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

• Free Shipping

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

Part Number: SUM-01-8576

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

• Free Shipping