Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Manley Small Block Chevrolet 1.600 Diameter .300 Longer Extreme Duty Exhaust Valves - Set of 8Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.
Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.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
4.6 ★★★★★
Based on 1889 reviews
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Product Reviews
★★★★★ 5
Great alternative to OEM model
Works great for my car. Really didn’t see a difference between these ones and the OEM ones. It provides good value with easy installation.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Good fit and price for a 2017 Honda Civic
Been using these in my Honda Civic for a while now they work great no complaints
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Reviewed in the United States on April 3, 2026
★★★★★ 5
pretty good for price!
Great item with easy install, drops right in for a perfect fit! the quality is up there for its money, but certainly isn’t going to be your top of the line. however it gets the job done and has a prettt decent air flow for its price!
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Reviewed in the United States on August 13, 2025
★★★★★ 4
As expected
Fits perfectly and last long
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Looks just like OEM
Fit great in 2018 Honda Civic. Easy to install and looked just like the OEM one (but much cleaner). Would recommend
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Reviewed in the United States on October 17, 2025
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