• Top Street Performance GM LS Billet Aluminum Engine Oil Galley Barbell Plug - Engine Oil Galley Plug
  • Top Street Performance GM LS Billet Aluminum Engine Oil Galley Barbell Plug - front view
  • Top Street Performance GM LS Billet Aluminum Engine Oil Galley Barbell Plug - side view
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Top Street Performance

GM LS Billet Aluminum Engine Oil Galley Barbell Plug

GM LS Billet Aluminum Engine Oil Galley Barbell Plug

SKU: 81081-1

$19.80
$19.80 $22.50
Shipping calculated at checkout.

In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Billet aluminum plug seals the rear barbell oil galley passage
  • Replaces a worn, missing, or damaged factory galley plug
  • Fits GM LS Gen III/IV: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
  • Confirm plug location & engine generation before install

Description

This billet aluminum rear barbell oil galley plug is made for GM LS Gen III/IV small block V8 oiling system service. It seals the correct oil passage during engine assembly, rebuild preparation, or replacement of a worn, missing, or damaged oil galley plug.

Use it on compatible LS blocks when servicing the rear barbell oil galley. Confirm plug location, engine generation, installation depth, and oil passage condition before installation, since these can vary across the LS engine family.


Applications
Fits Chevrolet Small Block V8 Gen III/IV (LS-based) engines: 4.8L/293 (LR4, LY2, L20), 5.3L/325 (LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF), 5.7L/346 (LS1, LS6), 6.0L/364 (LQ4, LQ9, LS2, LY6, L96, LFA, LZ1), and 6.2L/376 (LS3, L99, LS9, LSA). Common applications include Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, SSR, GMC Sierra, Yukon, Yukon XL, Envoy Denali, Pontiac GTO, G8 GT, Firebird Trans Am, and LS-swap builds.

Installation
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installing. Sold individually.

Specs

QuantitySold individually

Engine Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in³ - LR4, LY2, L20
• 5.3 L / 325 in³ - LM7, L59, LM4, L33, LY5, LC9, LH6, LH8, LH9, LMF
• 5.7 L / 346 in³ - LS1, LS6
• 6.0 L / 364 in³ - LQ4, LQ9, LS2, LY6, L96, LFA, LZ1
• 6.2 L / 376 in³ - LS3, L99, LS9, LSA

NOTES
Confirm LS engine generation, plug location, oil passage condition, and installation depth before installation.

COMMON VEHICLE APPLICATIONS
Chevrolet Silverado, Tahoe, Suburban, Camaro, Corvette, Trailblazer SS, and SSR
GMC Sierra, Yukon, Yukon XL, and Envoy Denali
Pontiac GTO, G8 GT, Firebird Trans Am, and LS engine swap builds

Q&A

What's the difference between this and the front oil galley plug?
This plug seals the rear barbell oil galley passage. TSP's front oil galley plug (SKU 81081-3) seals a different passage location. Both serve the same general function (sealing an oil galley) but fit different locations on the block.

What's the difference between this and the oil filter bypass valve delete plug?
This is a general oil galley plug used during assembly, rebuild, or replacing a worn/damaged plug. TSP's Oil Filter Bypass Valve Delete Plug (SKU 81081-2) specifically replaces the factory bypass check valve — a different function.

What engines does this fit?
GM LS Gen III/IV engines: 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L, covering engine codes including LR4, LM7, LS1, LQ4, LS2, LS3, LS6, LS9, and LSA.

What's this plug made of?
Billet aluminum.

Is this sold individually or as a set?
Sold individually.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.