Skip to product information
1 of 3
Top Street Performance

GM LS1/LS6 1-Piece Aluminum Timing Cover with Turbo Oil Drain Return - Black

GM LS1/LS6 1-Piece Aluminum Timing Cover with Turbo Oil Drain Return - Black

SKU: SKU: 81067-1BK

Regular price $97.44
Sale price $97.44 Regular price $110.73
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

  • One-piece aluminum cover seals the timing chain area, stops leaks
  • Built-in oil drain return simplifies turbo/forced-induction oil routing
  • Mounting hardware included; gasket, crank seal not included
  • Fits GM LS1/LS6 5.7L/346, 1997-2004

Description

This one-piece black aluminum timing cover is built to replace a cracked, warped, or leaking factory timing cover on GM LS1/LS6 engines — 5.7L/346 in³, 1997-2004. The one-piece design seals the timing chain area while giving the front of the engine a clean, finished appearance.

This cover includes a built-in oil drain return, simplifying oil return routing on turbocharged LS1/LS6 builds without adding a separate fitting or modification. Mounting hardware is included. Gasket, crankshaft seal, camshaft position sensor provision, sensor harness, and timing pointer are not included. Confirm timing cover style, balancer clearance, and sensor provisions before installation.


Applications
Fits GM LS1/LS6 engines: 5.7L/346 in³, 1997-2004. Common applications include Chevrolet Camaro (1998-2002 LS1), Chevrolet Corvette (1997-2004 LS1/LS6), Pontiac Firebird/Trans Am (1998-2002 LS1), CTS-V (2004-2005 LS6), and LS1/LS6 swap builds — including turbocharged applications.

Installation
One-piece configuration, 8 mounting holes. Includes built-in oil drain return and mounting hardware. Gasket, crankshaft seal, camshaft position sensor provision, sensor harness, and timing pointer are not included. Verify timing cover style, balancer clearance, and sensor provisions before installation.

Specs

Camshaft Position Sensor Harness IncludedNo
Camshaft Position Sensor Provision IncludedNo
ColorBlack
ConfigurationOne-piece
Crankshaft Seal IncludedNo
FinishBlack Anodized
Gasket Or Seal IncludedNo
Grade TypeReplacement
MaterialAluminum
Mounting Hardware IncludedYes
Mounting Hole Quantity8
Oil Drain Return IncludedYes
Timing Cover Gasket IncludedNo
Timing Pointer IncludedNo

Engine Fitment

COMPATIBLE WITH
GM LS SERIES V8 ENGINES
• 5.7L / 346 in³ (LS1, LS6)

NOTES
Fits 1997-2004 5.7L LS1 and LS6 engines.

COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (1998–2002 LS1)
Chevrolet Corvette (1997–2004 LS1/LS6)
Pontiac Firebird / Trans Am (1998–2002 LS1)
CTS-V (2004–2005 LS6)
LS1/LS6 swap builds

Q&A

Is the LS1/LS6 a 350 or 346 cubic inch engine?
346 cubic inches (5.7L). It's sometimes informally called "the 350" because it shares displacement class with the older small block Chevy 350, but the actual LS1/LS6 displacement is 346 in³.

Does this cover have a turbo oil drain return?
Yes — it includes a built-in oil drain return, simplifying oil routing on turbocharged LS1/LS6 builds.

What's included with this timing cover?
Built-in oil drain return and mounting hardware. Gasket, crankshaft seal, camshaft position sensor provision, sensor harness, and timing pointer are not included.

What's the difference between this and TSP's LS2/LS3 turbo timing covers?
This cover is built for LS1/LS6 engines (5.7L/346). TSP's turbo timing covers for LS2/LS3 (SKUs 81068-1P, 81068P) fit the 6.0L/6.2L engine family instead — different engine, not interchangeable.

What years and engines does this fit?
GM LS1 and LS6 engines, 1997-2004.

What vehicles use the LS1/LS6?
Chevrolet Camaro (1998-2002 LS1), Corvette (1997-2004 LS1/LS6), Pontiac Firebird/Trans Am (1998-2002 LS1), and Cadillac CTS-V (2004-2005 LS6).

Emissions Notice

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