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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
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Description
GSC Power-Division Single Super Alloy Intake Valve, 34mm STD for 4G63T (gsc2007-01)For those running high horsepower, high EGT set ups that need a valve that will last in 2000 F conditions. The Super Alloy Exhaust valves have chrome polished stems to create a smooth, durable finish for added life and better lubricity, especially when paired with the GSC Manganese bronze valve guides. Strength, heat resistance, and performance are engineered into every valve. Under head dish is maximized for weight savings while swirl polished and
For those running high horsepower, high EGT set ups that need a valve that will last in 2000 F conditions. The Super Alloy Exhaust valves have chrome polished stems to create a smooth, durable finish for added life and better lubricity, especially when paired with the GSC Manganese bronze valve guides. Strength, heat resistance, and performance are engineered into every valve. Under head dish is maximized for weight savings while swirl polished and backcut heads promote better air flow without sacrificing durability.
Features:
- Swirl polished heads for smoother air flow over the valve
- Back cut to reduce valve weight for higher RPM, higher boost pressure, and allow for more aggressive cam profiles without increasing valve spring seat pressures
- Valve stems are micro polished to allow for less oil retention on the stem, which creates less drag on the stem to guide for a smoother motion
- Intake valves are a modified 21-4n stainless and exhausts are a modified 23-8n stainless material for high heat capacity while maintaining longevity
- Valve tips are either hardened or have a stelite wafer tip fused so that the tip is within 5 Rockwell C of the rocker or valve tappet for extended life and less wear
- Valve tip lengths - we have taken extra time to adjust tip heights on the applications to require less tipping of the valve, to maintain proper tip height for proper valve train geometry, and to cut down on install times when setting valve lash
- We have also adjusted the keeper groove to properly balance intake and exhaust spring pressures to reduce the use of valve spring shims and maximize performance from our spring and retainer kits
- Valves will work with an OEM keeper/lock or, when available, our upgraded keeper/lock. It is not mandatory, but it is suggested, that any valve lock not be reused on performance applications due to material grooving
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Frustrating to set up and unreliable
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
I bought the Epson EcoTank ET-4800 hoping for an easy, low-cost printing solution, but it has been nothing but trouble. The wireless setup is overly complicated, and the printer often loses connection to the network, forcing me to restart it or reinstall the software. Printing is slow, even for simple documents, and the paper feeder sometimes pulls multiple sheets at once. While the EcoTank system is supposed to save money on ink, the print quality is inconsistent — colors can be dull, and black text occasionally appears streaky. Scanning and copying are also sluggish. For the price, I expected something much more reliable.
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Reviewed in the United States on August 9, 2025
★★★★★ 5
ET-4800 EZ PZ set up and start up. Prints and scans just fine
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan, Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
An excellent home printer. And why did I purchase such?
I had an Epson WF-520 for nearly ten years. But neglect and lack of use caused the printer head to get gunked up. I cleaned the print heads using a solution of 95% Etoh and glass cleaner (about fifty/fifty), a syringe with a plastic tube attached and LOTS of paper towel strips. It was moderately successful but I was never able to get it back to like new printing.
I looked over several new printers and wanted to stay with Epson because of ease of use (copy, scanning, printing). Seems as tank printers are the way to go these days. So I ordered the ET-4800. Got here in only a couple of days. Setup was pretty easy, just follow the instructions either via the documentation included or online version. I have pinted and scanned a color test page. I used the built in SmartScan feature without having to think about it much. I am quite satisfied with the results.
By the way, there is no automatic two side printing. You actually have to get off your b---, take out the first printing, turn it over and refeed the stack. I was used to doing that with the old WF-520 and never had a problem.
I will now set up a once a week, automatic scheduled printing task. I will just have to make sure there is paper on hand. Lack of use is the killer of these inkjet machines regardless of manufacturer.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
The intensity of the higher DPI and other settings makes this a marvelous Printer.
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
I am a former Canon product user for years. I became disappointed two printers ago. Support is horrible.
So, I ordered this Epson. Initially, because of the differences I was somewhat confused on the set-up; however, once completed, I can completely endorse this product. The printing is absolutely tops. The ink system is fantastic. AND, it has fax capabilities which I tested and works great. Can not say enough good things about it. I specialize in historical photo and documentation restoration - and this printer works GREAT.
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Reviewed in the United States on April 29, 2026
★★★★★ 3
It’s about support more than anything else !
Style: ET-4800, Color: White, Set: FAX/ADF/Print/Copy/Scan
Printer worked great until it didn’t. Cleared a paper jam that kept giving an issue. Then it gave a scanner error, after paper jam was resolved. I called support; they gathered all my info. Transferred me to someone else who then told me she’d email me some numbers to call for deals on refurbished printers or onsite support. I ended ups solving the problem… I threw the printer in the trash, and will likely not buy anymore epson products. I was willing to pay for service but not waste more time and making more phone calls. I had a credit card; i was willing to use it.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Perfect for my "heated" projects, works great!
Number of Items: 5
I wasnt sure if it was actually " heat resistant " but it sure is! I use the tape when making Mugs in a heat press.
The tape is also super easy to remove once the item cools off.
This tape is just as good of quality as ANY name brand.
Im super happy with this purchase!
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Reviewed in the United States on June 7, 2026