Toyota LandCruiser UZJ100 1998-2007 4.7L V8 2UZ-FE Pacemaker Headers PH12680

Pacemaker PH12680 exhaust headers (extractors) are designed for selected Toyota LandCruiser 100 Series UZJ100 models from 1998 to 2007 fitted with the 4.7L V8 2UZ-FE petrol engine.

These interference-design headers replace the restrictive factory exhaust manifolds with mandrel-bent pipework designed to improve exhaust gas flow and scavenging. Using 38mm primary pipes, 45mm secondary pipes and 57mm flanged outlets, PH12680 is designed to improve torque, throttle response and engine performance while maintaining excellent drivability for street, touring, towing and 4WD applications.

Important: PH12680 will not fit Left Hand Drive vehicles.

Key Features

• Designed for the Toyota LandCruiser 100 Series UZJ100 1998-2007
• Suits the 4.7L V8 2UZ-FE petrol engine
• Interference-design performance headers
• Mandrel-bent 38mm primary pipes
• 45mm secondary pipes
• 57mm flanged outlets
• Thick machined flanges for durability and reliable sealing
• Designed to improve exhaust gas flow and scavenging
• Performance replacement for the restrictive factory exhaust manifolds
• Right Hand Drive applications only

Construction

• High-quality steel tubing
• Mandrel-bent pipework for consistent exhaust gas flow
• Strong welded construction for durability
• Thick machined flanges
• Pacemaker Blue heat-resistant finish rated to approximately 800°C

Additional Options

• PHC10 Ceramic Coating: Optional ceramic coating for improved heat management, surface durability and corrosion resistance
• DSF818: Replacement exhaust manifold/header gasket set available separately
• CAT12680: Matching Pacemaker catalytic converters available separately

Vehicle Fitment

• Make: Toyota
• Model: LandCruiser 100 Series
• Series: UZJ100 / UZJ100R
• Year Range: 1998-2007
• Engine: 2UZ-FE
• Capacity: 4.7L / 4664cc
• Configuration: V8 DOHC 32-Valve Petrol
• Drivetrain: 4WD
• Steering: Right Hand Drive only

Header Specifications

• Part Number: PH12680
• Design: Interference
• Primary Pipe Size: 38mm
• Secondary Pipe Size: 45mm
• Outlet Size: 57mm flanged
• Construction: Mandrel-bent steel
• Finish: Pacemaker Blue
• Coating Temperature Rating: Approximately 800°C

Fitment Notes

• Designed for selected Toyota LandCruiser UZJ100 / UZJ100R 4.7L 2UZ-FE V8 models from 1998 to 2007
• Will not fit Left Hand Drive vehicles
• Matching CAT12680 catalytic converters are available separately for the PH12680 installation
• Protect the Pacemaker Blue or optional ceramic-coated surfaces during trial fitting and installation
• Check steering, engine mounts and surrounding components for adequate clearance during installation
• Clearance may vary where non-standard engine mounts, steering components or aftermarket parts have been fitted
• Confirm vehicle, chassis and engine details before ordering
• Please check availability and current lead time before ordering.

What’s Included

• 1 x Pacemaker PH12680L left-hand header assembly
• 1 x Pacemaker PH12680R right-hand header assembly
• Secondary flange plates and gaskets for connection to the exhaust system

Recommended With

• DSF818 exhaust manifold/header gasket set
• CAT12680 Pacemaker catalytic converters
• Matching performance exhaust system or intermediate pipes
• PHC10 ceramic coating where additional heat management is desired

Why Good Headers & Exhaust Systems Matter

At 4,000 rpm, the 4.7L 2UZ-FE V8 theoretically draws in approximately 9,400 litres of intake air per minute and can expel around 28,200 litres of hot exhaust gas per minute at approximately 600°C.

A well-designed header and exhaust system helps manage this high gas flow efficiently, reducing restriction and improving exhaust scavenging, torque, throttle response and engine performance.

Installation Tips

• Apply penetrating lubricant to exhaust manifold studs, nuts and exhaust connections before removal
• Remove all traces of the original manifold gasket and inspect the cylinder-head sealing surfaces
• Fit new DSF818 exhaust manifold/header gaskets
• Trial-fit both headers before fully tightening the mounting hardware
• Protect the Pacemaker Blue or optional ceramic-coated surfaces during installation
• Check steering, engine mounts, wiring and surrounding components for adequate clearance
• Check all exhaust connections for leaks after installation
• Inspect and re-tighten the header mounting hardware after the initial heat cycles

Warranty & Compliance

Pacemaker PH12680 headers are backed by Pacemaker's 2-year manufacturer warranty, subject to the manufacturer's current warranty terms and conditions.

The completed exhaust system must retain all catalytic converters, oxygen sensors and other emissions-control equipment required for the vehicle and comply with applicable state or territory emissions, roadworthiness and registration requirements.

FAQ

What vehicles do Pacemaker PH12680 headers fit?
PH12680 is designed for selected Toyota LandCruiser 100 Series UZJ100 / UZJ100R models from 1998 to 2007 fitted with the 4.7L V8 2UZ-FE petrol engine.

Will PH12680 fit a Left Hand Drive LandCruiser?
No. Pacemaker PH12680 will not fit Left Hand Drive vehicles.

What size are the PH12680 header pipes?
PH12680 uses 38mm primary pipes, 45mm secondary pipes and 57mm flanged outlets.

Which exhaust gasket suits PH12680?
The recommended replacement exhaust manifold/header gasket set is DSF818.

Are matching catalytic converters available?
Yes. Matching CAT12680 Pacemaker catalytic converters are available separately for the PH12680 installation.

Can PH12680 headers be ceramic coated?
Yes. PHC10 ceramic coating is available as an optional upgrade for improved heat management and surface durability. Please contact us for current pricing and lead time.

Can I pick up from the store?
Yes. Pick up is available but must be pre-arranged before collection.

How much is freight?
Freight varies depending on your delivery location and where stock is available. Please contact us for freight charges before ordering. Where possible, we can arrange dispatch from the nearest available product location to help reduce freight costs and delivery times.

Do you ship to the USA?
Yes. Best Mufflers regularly ships exhaust systems and exhaust parts to customers throughout the United States. Please note: PH12680 will not fit Left Hand Drive vehicles.

Please note that import duties, tariffs, taxes, and customs clearance fees are not included in the product or shipping price. Once your order is processed and the applicable charges are calculated, we will send you a secure payment link to finalise the import duties and tariff charges before dispatch.

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