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

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: Today

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

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Today

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

Part Number: ICB-551435

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: TSN-81045BK

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

Oil Diverter Barbell, Aluminum, Chevy, LS, Each

Part Number: PGP-PRP-4575

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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: Today

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: Today

Rear Main Seal Housing, Billet Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: ICB-551727

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: MRG-61210G

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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

Part Number: DRT-32000016

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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: Today

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

Part Number: SUM-121025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each

Part Number: NAL-19417351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: PGP-PRP-4526

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 3.870 in. Bore I.D., 5.600 in. Length, Chevy, 5.7L LS, Each

Part Number: MEL-CSL332F

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Engine Oil Filler Caps, GM Genuine Parts, Stock Top Style, Round, Plastic, Black, Chevrolet, GMC, Each

Part Number: ADO-FC279

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: BTC-BTR27693

Not Yet Reviewed

Estimated Ship Date: Today

DOWEL PIN, FOR LS BLOCK MAIN CAPS

Part Number: RHS-549201-1

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: TSN-81044BK

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

AN Block Adapters, -12 AN Adapters, Clear Anodized, Chevy, LS, Kit

Part Number: PGP-PRP-6865

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: SUM-240065-SAT

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping