Pacemaker Headers PH12680 – Lexus LX470 4.7L V8 2UZ-FE

Pacemaker PH12680 headers (extractors) are designed for selected Lexus LX470 models fitted with the 4.7L V8 2UZ-FE petrol engine. These interference-design headers are a performance replacement for the restrictive factory exhaust manifolds and are designed to improve exhaust flow, low- and mid-range torque, throttle response and overall engine performance.

Featuring 38mm primary pipes, 45mm secondary pipes and 57mm outlets, PH12680 headers provide improved exhaust gas flow and scavenging while retaining the durability and drivability required for everyday street, touring, towing and 4WD applications.

Key Features

• Interference-design Pacemaker performance headers
• Designed for the 4.7L V8 2UZ-FE petrol engine
• Mandrel-bent 38mm primary pipes
• 45mm secondary pipes
• 57mm flanged outlets
• Thick machined flanges for durability and reliable sealing
• Smooth collectors designed to improve exhaust scavenging and power delivery
• Performance replacement for the restrictive factory exhaust manifolds

Vehicle Fitment

• Make: Lexus
• Model: LX470
• Engine: 2UZ-FE
• Capacity: 4.7L / 4664cc
• Configuration: V8 DOHC 32 Valve Petrol
• Steering: Right Hand Drive only

Construction

• High-quality steel tubing with quality welding for long service life
• Pacemaker Blue heat-resistant coating rated to 800°C

Additional Options

• Ceramic Coating: Available under product code PHC10
• Header Gaskets: Recommended gasket DSF818, available separately
• Catalytic Converters: Matching catalytic converters available separately

Fitment Notes

• Will not fit Left Hand Drive vehicles.
• Designed for applicable Lexus LX470 models fitted with the 4.7L V8 2UZ-FE petrol engine.
• Protect painted surfaces and wrap headers during trial fitting.
• Clearance may vary with engine mounts, steering components and aftermarket parts.
• Please confirm vehicle, engine and steering configuration before ordering.

What’s Included

• Pacemaker PH12680L left header assembly
• Pacemaker PH12680R right header assembly
• Flange plates with gaskets to adapt to the exhaust system

Recommended With

• Header gasket set DSF818
• Matching catalytic converters
• Matching performance exhaust system or intermediate pipes
• Ceramic coating upgrade PHC10

Why Good Headers & Exhaust Systems Matter

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

Warranty & Compliance

• Backed by Pacemaker 2-year manufacturer warranty (standard terms apply)
• For vehicles manufactured from 1986 onwards, modifications to catalytic converters or other emissions-control equipment must comply with applicable vehicle emissions and registration regulations in your state or territory.

Frequently Asked Questions

What vehicles do these headers suit?
Pacemaker PH12680 headers are designed for selected Lexus LX470 models fitted with the 4.7L V8 2UZ-FE petrol engine.

Will these headers fit Left Hand Drive Lexus LX470 models?
No. Pacemaker PH12680 headers are designed for Right Hand Drive vehicles and will not fit Left Hand Drive applications.

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

Are header gaskets available?
Yes. The recommended replacement header gasket is DSF818 and is available separately.

Are matching catalytic converters available?
Yes. Matching catalytic converters are available separately. Please contact us to confirm the correct catalytic converters for your vehicle.

Can these headers be ceramic coated?
Yes. Ceramic coating is available separately under product code PHC10.

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 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.

Customer Support

For phone orders, advice, or part enquiries – contact us: