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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
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Description
Brian Crower Valves - 39.5mm Intake (Nissan TB48) BC3252Brian Cower was created to meet the demand for high quality engine components at an affordable price. The stroker kits fit all popular Sport Compact applications as well as the matching camshafts and valve camshafts. Complete packages designed to work together to provide more power and torque, as well as greater reliability. The intake valves are designed for the following car models: Nissan TB48 Parameters: Head Dia 40mm Stem Dia 6. 96mm Overall
Brian Cower was created to meet the demand for high-quality engine components at an affordable price.The stroker kits fit all popular Sport Compact applications as well as the matching camshafts and valve camshafts.
Complete packages designed to work together to provide more power and torque, as well as greater reliability.
The intake valves are designed for the following car models:
-Nissan TB48
Parameters:
-Head Dia 40mm
-Stem Dia 6.96mm
-Overall Length 100mm
A set of intake valves.
Each valve is made of the highest quality, heat-resistant stainless steel material to ensure reliability at high recharging and high speed. The undercut shaft above the head area not only reduces the total weight to increase the rotation potential, but also significantly improves the air / fuel flow to and from the combustion chamber. Each valve is fully machined and has a spin-polished finish under the head.
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 26 reviews
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Product Reviews
★★★★★ 5
Great product saves money.
Fits as it should
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Best Air Filter EVER
I have used these in my cars for years. They improve turbo lag significantly, increase air flow, and just work. What I like best about these, beside the protection they offer the air intake system, is that they truly are a life long product. My last car had one in it for 13 years. With a cleaning every 25K miles as outlines by KN the air filter just continued to work and work.
I recently purchased one for my new Honda CR-V and had it installed at the dealership at 500 miles when I was getting an oil change to flush out the build lube. The mechanic who did the work left me a note that said "great filter, I love these"
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Reviewed in the United States on July 13, 2019
★★★★★ 4
Worth it! Love these filters.
I love K & N air filters and always install them in my cars. This eliminated my cars Turbo lag in my 2019 Honda Civic Ex which has a 1.5L Turbo. Acceleration has improved and makes the car louder (I also have dual exhaust) I love how you don't have to change or clean it for 50,000 miles!! I know it's expensive but will last forever! Only issue was it was very difficult to install and a pain but this is more Hondas fault as I could not fully remove the plastic case where this filter goes under the hood even with tools.
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Reviewed in the United States on November 23, 2019
★★★★★ 5
Works great
Perfect fit
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Reviewed in the United States on August 7, 2025
★★★★★ 5
More power and better mileage
Put this in my 2017 CRV and have noticed much more pickup and better mileage overall. Usually I average 22mpg with mixed driving and this has me hovering around 25mpg and I get to have extra power on top of that. Install was straightforward and a breeze. Whole project is done in ten mins and your car is instantly more fun and getting improved MPGS
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 30, 2024
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