EGR Block Off Plates

Why Does Your Engine Need an EGR Block-Off Plate?

Carbon Packs the Intake on Aging Engines

The EGR system exists to push exhaust back through the intake, and on an engine with decades of service, that means carbon caked into the manifold, the valve, and every passage in between. Flow drops, cylinders breathe unevenly, and the engine runs dirtier the longer recirculation continues. A solid block-off plate stops the soot at the source and lets the intake stay as clean as the day it left the machine shop.

EGR Valves and Sensors Fail, Replacements Go Obsolete

Diaphragms crack, pintles stick, and on the 1986-1995 Fords the EVP position sensor drifts until the EEC-IV computer throws codes for a valve that works fine. Replacement valves for classic platforms are getting scarce and expensive, and chasing NOS sensors is a losing game. Blanking the valve and handling the electronics with a simulator ends the parts chase permanently.

Every Engine Build Starts With a Clean Slate

Carb conversions, cam swaps, LS restomods, and custom intakes all share one step: the EGR hardware has to go. Open ports on the intake and exhaust manifolds need proper plates, not homemade steel cutouts, and the electronics need clean handling instead of dangling connectors. The block-off kit is the first box opened on every performance build in this category.

What Can an EGR Block Off Plate Kit Solve?

Solid Plates Seal the Ports for Good

CNC-machined aluminum block-off plates with fresh high-temperature gaskets and stainless hardware close the EGR valve and port passages dead clean on every platform in the collection. Intake-side and exhaust-side plates ship together on the kits that need both, and the sealing surfaces are cut to the factory port geometry so the plates bolt on without porting or fabrication.

Simulators and Plugs Keep the Computer Happy

The 1986-1995 Ford kits pair the plates with an EGR simulator eliminator that provides the EVP signal the EEC-IV computer watches for, so the check engine light stays off with the hardware gone. The LS truck kits include the EVAP purge solenoid plug so the vapor management circuit closes up alongside the EGR delete, leaving no orphaned connectors in the bay.

Complete Platform Coverage From Detroit to Munich

Ford F-Series, Bronco, Mustang, and E-Series vans; Chevy TBI, Vortec CPI, and 4.8/5.3/6.0 LS trucks including LM7, LQ4, and LQ9; Toyota 20R and 22RE classics; and the BMW E-chassis diesel family. Each kit matches its platform's port layout, sensor suite, and electronics so the job finishes in the driveway instead of at the parts counter chasing pieces.

Shop EGR Block Off Plate by Vehicle & Engine Fitment Guide

• EGR Simulator & Block Off Plate Kit (1986-1995 Ford) - Fits the 4.9L, 5.0L, 5.8L, and 7.5L in Ford F-150/250/350, Bronco, and Mustang (1986-1995). Plates plus the simulator eliminator that satisfies the EEC-IV EVP circuit, the complete package for EFI-era Ford trucks.
• EGR Delete Block Off Plate Kit (1983-1997 Ford) - Fits Ford gas engines in F-Series trucks, Ranger, and Bronco (1983-1997). Broad-coverage plate kit spanning the carb and early EFI years, from the classic F-150 to the US-market gas Ranger.
• Bypass Block Off Exhaust Tube Kit (1997-2014 Ford E-150/E-250 5.4L) - Fits the 5.4L Triton in Ford E-150 and E-250 vans (1997-2014). Block-off tube kit with bolts for the Econoline's EGR circuit, the van-specific fix.
• EGR Delete Block Off TBI Plate Kit (Chevy TBI) - Fits the TBI small block in Chevy Camaro, Impala, and GMC C1500/C2500/C3500 trucks. The TBI-era plate for the early fuel injection small blocks.
• EGR Delete Block Off Plate Kit (1996-2009 Chevy/GMC Vortec) - Fits the 4.3L and 5.7L CPI Vortec in Chevy and GMC Silverado (1996-2009). The Vortec-era plate for the OBS and NBS trucks.
• EGR Delete Plate Kit, Intake + Exhaust (1999-2007 LS Trucks) - Fits the 4.8L, 5.3L, and 6.0L LS, including LQ4 in Chevy Silverado and GMC Sierra (1999-2007). Both intake and exhaust block-off plates in one kit for the GMT800 trucks.
• EGR + EVAP Block Off Plates Kit (5.3L / 6.0L LS) - Fits the LM7, LQ4, and LQ9 in Chevy/GMC trucks (1999-2007). EGR plates plus the EVAP purge solenoid plug, closing both circuits in one purchase.
• EGR Delete Block Off Plate Kit (Toyota 20R/22RE) - Fits the 20R and 22RE in classic Toyota Pickup and 4Runner. Intake and exhaust block-off plates for the engine that refuses to die.
• EGR Valve Blanking Plates Kit (BMW E-chassis) - Fits BMW E38, E39, E46, E53, E65, and E90 models. Blanking plates kit for the BMW diesel EGR circuit, the import side of the shelf.

Why Choose EGR Performance?

The industry standard for high-performance diesel reliability.

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Our EGR, DPF, and CCV delete kits are engineered from premium-grade materials and subjected to brutal quality control and field testing. Unlike generic alternatives, our products are built to withstand extreme heat and pressure, delivering unmatched durability and long-term stability when your rig needs it most.

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We aren't just selling parts. We live in this industry. With two decades of hands-on experience providing specialized modification solutions for heavy-duty truck owners, our upgrades have been extensively proven across every driving environment, from daily towing to high-performance tracks.

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Thousands of diesel owners trust us to unlock their engine's true potential. Our massive library of positive customer feedback and successful build case studies proves one thing: our kits deliver real horsepower, lower EGTs, and flawless reliability in the real world.

FAQs About EGR Block Off Plates

What is an EGR block off plate?

An EGR block off plate is a solid plate that seals the EGR valve port so exhaust gas can no longer route back into the intake. Where the valve once bolted to the intake or exhaust manifold, the plate bolts in its place with fresh gaskets, permanently closing the passage.

On modern electronically controlled engines, the plate is only half the solution, because the computer still watches the valve. That is where the simulator kits and plugs in this collection come in: they satisfy the sensor circuits so the delete completes without a check engine light.

Will blocking off the EGR valve throw a check engine light?

It depends on the electronics, and that is exactly how our kits are organized. On the 1986-1995 Fords, the EEC-IV computer monitors the EGR valve position sensor, so those kits include the EGR simulator eliminator that feeds the EVP signal the computer expects and keeps the light off.

On the 1999-2007 LS trucks, the ECM wants to see the valve and the EVAP purge circuit, so the LS kits include the purge solenoid plug, and many owners finish the job with a tune that removes the EGR diagnostics. The older carb-era and TBI applications are simpler, often just plates and gaskets. Check each kit's contents for what your platform needs.

What vehicles do these EGR block off plates fit?

The collection covers four families. Ford: F-Series trucks, Bronco, and Mustang from 1983-1997 in the 4.9L, 5.0L 302, 5.8L, and 7.5L 460, plus E-150 and E-250 vans with the 5.4L from 1997-2014. Chevy and GMC: TBI small blocks in the Camaro, Impala, and C-Series trucks, Vortec CPI 4.3L and 5.7L Silverados from 1996-2009, and the 1999-2007 LS trucks in 4.8L, 5.3L, and 6.0L.

Import coverage runs the Toyota 20R and 22RE classics and the BMW E38, E39, E46, E53, E65, and E90 diesels. If your application is not on the list, ask our support team before assuming; coverage expands as demand does.

Which block off plate fits my Ford truck or Mustang?

Match the kit to your era and engine. The 1986-1995 kit fits the EFI-era F-150, F-250, F-350, Bronco, and Mustang across the 4.9L inline six, 5.0L 302, 5.8L 351, and 7.5L 460, and it ships with the simulator the EEC-IV electronics require. The 1983-1997 kit casts a wider net across the carbureted and early EFI years, including the US-market gas Ranger.

Van owners get their own piece: the E-150 and E-250 5.4L kit from 1997-2014 with the block off tube and bolts. If you are unsure which era your truck falls into, the registration year and engine size settle it, and our support line confirms from there.

Do you carry block off plates for LS engines?

Yes, three kits deep. The 1999-2007 GMT800 trucks with the 4.8L, 5.3L, and 6.0L are covered by the intake plus exhaust plate kit including LQ4 applications, and the LM7, LQ4, and LQ9 engines get a dedicated kit that adds the EVAP purge solenoid plug for the 5.3L and 6.0L.

These are the truck LS applications where EGR lived from the factory. If you are building an LS swap or a car-application LS1, the factory EGR hardware usually never made it into the swap, and the block off plates here close the manifold ports on truck intakes being reworked. Send us your engine RPO code if the fitment is unclear.

Why do the Ford kits include an EGR simulator?

Because Ford's EEC-IV computer does not just command the EGR valve, it watches the EVP position sensor report back. Pull the valve and the sensor signal disappears, so the computer sets codes and lights the check engine lamp even though the engine runs fine.

The simulator eliminator wires in place of the valve and generates the position signal the computer expects to see through its test sequence. It is the difference between a delete that looks finished and one that actually is, and it is why our 1986-1995 Ford kits ship plates and simulator together.

What do the TBI and Vortec plate kits fit?

The TBI kit fits the throttle-body-injected small blocks in the Chevy Camaro and Impala plus the GMC C1500, C2500, and C3500 trucks of the early fuel injection era. It is the plate for anyone cleaning up a TBI 350 or doing an intake swap.

The Vortec kit covers the 1996-2009 Chevy and GMC Silverado with the 4.3L V6 and 5.7L CPI Vortec engines, bridging the OBS and early NBS trucks. Both kits are plates and gaskets, sized to the factory port layout, no fabrication required.

Do the kits come with gaskets and hardware?

Yes. Every kit in the collection ships as a complete package: the CNC-machined aluminum plates, fresh high-temperature gaskets for both mating surfaces, and the stainless steel hardware to bolt it all down. The Ford E-Series kit adds the block off tube, and the LS kits include the purge solenoid plug.

Nothing on these jobs should require a second parts run. Pull the old valve, scrape the surfaces, bolt on the plates with the supplied gaskets, and the intake side of the build is closed.

Do you have blanking plates for the Ford Transit, Focus, or Ranger diesel?

Not the European diesel versions. The Transit, Transit Custom, Focus TDCI, and the 2.2L and 3.2L Ranger diesel blanking plates common in the UK and Australian markets are not part of this collection, and we would rather say so plainly than have you order the wrong plate.

What we do cover on the Ford side is the US gas engine family: the F-Series, Bronco, and Mustang from 1983-1997 including the gas Ranger, and the E-Series vans. The import shelf runs the Toyota 20R/22RE and the BMW diesels instead. Our support team can confirm any application in minutes.

Are EGR block off plates street legal?

EGR block off plates are sold for competition and off-road use only. The EGR system is an emissions control, and removing or defeating it on a pollution-controlled vehicle registered for highway use violates the Clean Air Act and can carry EPA fines, so these kits are not legal for street use in the United States.

Fitment is platform-specific across the Ford, Chevy, Toyota, and BMW applications on this page, so confirm your engine and year or contact our 24/7 support and we will match the kit. Every order ships free from our US warehouses, carries a 1-year warranty, and is backed by a 45-day return policy if the fitment is not right.

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