Advance Headers | Stainless Steel Conversion Extractors | Toyota Land Cruiser 80-105 LS V8 Auto | A291SS
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Advance Headers | Stainless Steel Conversion Extractors | Toyota La...
Description
Description
Advance Headers High-Performance Premium Stainless Steel Engine Conversion Exhaust Extractors for Toyota Land Cruiser 80 & 105 Series LS V8 Swaps (GM 4L60E / 6L80E Automatic Transmissions)
The Advance Headers Stainless Steel Performance Conversion Extractors (A291SS) are the ultimate, ultra-durable manifold upgrade engineered explicitly for dropping Gen III or Gen IV GM LS-Series V8 power into Toyota Land Cruiser 80 and 105 Series 4WD platforms. Purpose-built to facilitate seamless engine swaps when matching the high-performance V8 to heavy-duty GM 4-speed (4L60E) or 6-speed (6L80E) automatic transmissions, this premium manifold assembly is manufactured entirely from high-grade stainless steel for elite thermal durability and permanent resistance against heavy track mud, water crossings, and environmental oxidation. By eliminating packaging constraints and maximizing exhaust gas scavenging velocity, it unlocks vital low-to-mid range torque, explosive throttle response, and that signature deep V8 muscle note.
PRODUCT CONTENTS:
- 1 x Left-Hand Premium Stainless Steel LS V8 Land Cruiser Conversion Extractor Header
- 1 x Right-Hand Premium Stainless Steel LS V8 Land Cruiser Conversion Extractor Header
- 1 x Premium Stainless Steel High-Flow Bolt-On Y-Piece Assembly
Key Features:
- High-grade stainless steel construction provides ultimate protection against harsh off-road mud exposure, underbody rock abrasion, and severe engine swap thermal stress
- Custom clearance-mapped around the large physical footprints of the GM 4L60E and 6L80E automatic transmission casings to prevent linkage binding and case contact
- Engineered to easily route primary tubes past Land Cruiser front driveshafts, complex suspension radius arms, front differential housings, and large aftermarket steering dampeners
- Tuned mandrel-bent primary piping pathways ensure completely uniform internal flow geometry, optimizing gas velocity and removing the layout restrictions common in universal swap headers
- Thick, precision laser-cut cylinder head flanges maintain a flat, ultra-stable mating footprint to permanently guard against face distortion, thermal warping, and high-pressure exhaust leaks
Specifications:
- Brand: Advance Headers
- Part Number: A291SS
- Material: Premium High-Grade Stainless Steel
- Engine Conversion Suitability: GM Gen III & Gen IV LS-Based V8 Engines Only (5.7L LS1, 6.0L L98/L76/L77, 6.2L LS3 Blocks)
- Transmission Mapping: Optimized for GM 4L60E and 6L80E Automatic Transmission Configurations
- Component Type: Premium Engine Swap Performance Exhaust Extractors / Headers
- Welding Required: No (Direct Bolt-On Configuration to LS Cylinder Head Faces)
⚠️ Crucial Drivetrain Adaptation & Component Alignment Warnings:
1. Strict Factory Automatic Chassis Limitation: The included high-flow Y-piece assembly is designed exclusively to fit a vehicle that was originally manufactured as a factory automatic model from Toyota. Due to floorpan clearance variations and structural tunnel shape discrepancies, the Y-piece will not line up on factory manual chassis builds without structural underbody adjustment.
2. Transmission Matching: Custom-profiled around the structural webbing of the GM 4L60E and 6L80E automatics. Alternate transaxle paths or manual conversions using alternative bellhousings must be clearance-verified before final torque-down.
Please Note: Due to the highly technical nature of full-scale V8 engine conversions and the absolute necessity of maintaining maximum underbody clearance tolerances for front driving components, professional installation by a 4WD conversion specialist or experienced custom exhaust shop is highly recommended.
Important Information
- The image shown may not reflect the actual product design.
- Ensure your vehicle details match the application guide below before purchasing.
Vehicle Conversion Applications for A291SS Premium Stainless Steel Extractors
| Make | Model Base | Chassis Compatibility | Body Type | Chassis Series | Engine Conversion Details | Drivetrain & Conversion Notes |
|---|---|---|---|---|---|---|
| Toyota | Land Cruiser 80 Series | 1990 – 1998 (Chassis Profile) | 5-Door Wagon / GXL / Sahara / VX | FJ80 / FZJ80 / HDJ80 / HZJ80 Series | GM LS1 / LS2 / LS3 / L98 V8 Engines Retrofit Conversion | 4WD | Premium stainless steel layout clearance-profiled around front drop axles, steering steering joints, and GM automatic transmissions. Y-piece fits factory automatic chassis layouts only. |
| Toyota | Land Cruiser 105 Series | 1998 – 2007 (Chassis Profile) | 5-Door Wagon / Standard / GXL | FZJ105 / HZJ105 Series (Rigid Front Axle Architecture) | GM LS1 / LS2 / LS3 / L98 V8 Engines Retrofit Conversion | 4WD | Formed to easily clear the live-axle front suspension links and massive transmission tunnels unique to the 105 platform when running GM automatic configurations. |
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